Bridges in Humboldt County, California

399Total Bridges

169Good

209Fair

21Poor

Bridge	Condition	Length	Traffic	Year
US Highway 101 NB over West End RD Creek Ncrra	Poor	264.8 ft	17,500	1929
U.s. Highway 101 over Dean Crk RD & Dean Creek	Poor	373.0 ft	5,000	1967
State Route 299 over Mad River	Poor	518.0 ft	4,775	1965
Humboldt Hill Road over US Highway 101	Poor	228.3 ft	3,100	1963
State Park Road over South Fork Eel River	Poor	324.1 ft	1,100	1969
Maple Creek Road over North Fork Mad River	Poor	429.1 ft	624	1928
Hookton Road over Salmon Creek	Poor	39.0 ft	486	1922
Bald Hills Road over Prairie Creek	Poor	116.1 ft	479	1957
Mattole RD over Mattole River	Poor	380.6 ft	412	1958
Alderpoint RD over South Dobbyn Creek	Poor	58.1 ft	281	1937
Salmon Creek Road over Salmon Creek	Poor	142.1 ft	226	1959
Holmes Flat Road over Larabee Low Level-eel Ri	Poor	401.2 ft	100	1960
Zenia Bluff RD over South Dobbyn Creek	Poor	89.9 ft	85	1949
Lindley Road over Mattole River	Poor	230.0 ft	50	1925
33007: Butte Creek over Butte Creek	Poor	39.0 ft	50	1980
No Data Entered over No Data Entered	Poor	80.1 ft	50	1980
No Data Entered over No Data Entered	Poor	60.0 ft	50	1981
Maple Creek RD over Maple Creek	Poor	62.7 ft	38	1955
Kneeland RD over North Fork Yager Creek	Poor	62.0 ft	10	1964
Albee Ck Camp over Albee Creek	Poor	35.1 ft	10	1986
Grasshopper Lkt RD over Squaw Creek	Poor	47.9 ft	1	1983
US Highway 101 SB over Palmer BLVD	Fair	112.9 ft	22,000	1958
US Highway 101 NB over Palmer BLVD	Fair	112.9 ft	22,000	1958
U.s. Highway 101 over US 101 On&off Ramp Ncrra	Fair	406.5 ft	21,700	1962
US Highway 101 over State Route 211	Fair	144.0 ft	20,400	1957
US Highway 101 SB over Gannon Slough	Fair	397.6 ft	17,500	1996
US Highway 101 SB over Eureka Slough	Fair	883.9 ft	17,000	1943
US Highway 101 NB over Mad River	Fair	750.0 ft	16,500	2012
US Highway 101 SB over Elk River	Fair	171.3 ft	16,200	1956
US Highway 101 NB over Elk River	Fair	171.3 ft	16,200	1988
US Highway 101 SB over King Salmon AVE	Fair	129.3 ft	16,200	1963
US Highway 101 NB over King Salmon AVE	Fair	120.1 ft	16,200	1963
U.s. Highway 101 over Strongs Creek	Fair	40.0 ft	13,000	1962
US Highway 101 NB over Scenic Way	Fair	126.0 ft	13,000	1976
U.s. Highway 101 over Jones Slough	Fair	131.9 ft	12,900	1959
U.s. Highway 101 over Turner Draw	Fair	112.2 ft	12,900	1956
U.s. Highway 101 over Boyd Draw	Fair	132.5 ft	12,900	1959
US Highway 101 over S101-main On&off Ncrra	Fair	457.0 ft	12,800	1962
SR 255 over U.s. Highway 101	Fair	328.1 ft	12,200	1965
Fortuna Boulevard over Strongs Creek	Fair	29.5 ft	11,988	1949
State Route 299 over Essex Lane	Fair	126.0 ft	11,200	1965
State Route 299 over Glendale DR	Fair	164.0 ft	11,200	1965
State Route 299 over Lindsay CR Fieldbrook RD	Fair	210.0 ft	11,200	1965
Main Street over Rohner Creek	Fair	26.2 ft	11,181	1922
Guintoli Lane over US Highway 101	Fair	179.5 ft	11,131	1969
U.s. Highway 101 over State Route 283	Fair	89.9 ft	11,000	1976
State Route 299 over Maint RD	Fair	148.0 ft	9,700	1965
State Route 299 over Ramp Road	Fair	119.1 ft	9,700	1965
State Route 299 over Blue Lake BLVD	Fair	120.1 ft	9,700	1970
Fairway DR over Martin Slough	Fair	73.2 ft	9,240	1964
U.s. Highway 101 over Westhaven Drive	Fair	133.9 ft	8,800	1960
US Highway 101 SB over Eel Riv Edwards DR Ncrra	Fair	1387.1 ft	8,200	1976
US Highway 101 over Stafford Road	Fair	104.0 ft	7,500	1971
State Route 255 over Samoa Channel	Fair	2506.6 ft	7,300	1971
State Route 255 over Middle Channel	Fair	1081.4 ft	7,300	1971
State Route 255 over Eureka Channel	Fair	1816.6 ft	7,300	1971
State Route 255 over Marina Road	Fair	25.6 ft	7,300	1979
US Highway 101 over ST RTE 254 (jordan Rd)	Fair	109.9 ft	6,890	1966
US Highway 101 NB over Van Duzen River	Fair	810.0 ft	6,800	1996
Redwood DR over US Highway 101	Fair	186.0 ft	6,400	1966
U.s. Highway 101 over Greenlaw Creek	Fair	106.0 ft	6,100	1966
U.s. Highway 101 over Bear Creek	Fair	206.0 ft	6,000	1967
Redwood DR over Bear Gulch	Fair	362.2 ft	5,870	2004
U.s. Highway 101 over Benbow DR (old US 101)	Fair	234.9 ft	5,700	1975
14th ST over US Highway 101	Fair	215.9 ft	5,597	1976
Redwood HWY over May Creek	Fair	86.9 ft	5,450	1989
U.s. Highway 101 over ST RTE 254-s101 On Ramp	Fair	85.0 ft	5,400	1958
State Route 211 over Old River	Fair	201.1 ft	5,300	1964
State Route 211 over Eel River	Fair	2408.1 ft	5,300	1911
G Street over US Highway 101	Fair	336.3 ft	5,209	1976
U.s. Highway 101 over Gibney Drive	Fair	100.1 ft	5,100	1964
U.s. Highway 101 over Maple Hill RD Salmon Crk	Fair	278.9 ft	5,100	1962
U.s. Highway 101 over South Fork Eel River	Fair	826.1 ft	5,000	1962
Rohnerville Road over Strongs Creek	Fair	42.0 ft	4,924	1915
U.s. Highway 101 over Trinidad Road	Fair	125.0 ft	4,900	1960
U.s. Highway 101 over Benbow DR & S Fk Eel Riv	Fair	1423.9 ft	4,500	1980
US Highway 101 NB over Eel River	Fair	1643.7 ft	4,400	1941
US Highway 101 SB over Scenic Way	Fair	126.3 ft	4,400	1976
U.s. Highway 101 over Big Lagoon	Fair	442.9 ft	4,200	1958
U.s. Highway 101 over Seawood DR	Fair	98.1 ft	4,200	1970
U.s. Highway 101 over Patricks Point DR	Fair	92.8 ft	4,200	1970
State Route 255 over Mcdaniel Slough	Fair	22.0 ft	4,160	1963
U.s. Highway 101 over Prairie Creek	Fair	121.4 ft	3,700	1989
US Highway 101 SB over Jordan Creek	Fair	296.6 ft	3,600	1971
Seventh ST over US Highway 101	Fair	240.2 ft	3,435	1966
State Route 299 over Redwood Creek	Fair	673.9 ft	3,200	1965
State Route 299 over East Fork Willow Creek	Fair	120.1 ft	3,200	1956
State Route 299 over Willow Creek	Fair	161.1 ft	3,200	1955
12th ST over Rohner Creek	Fair	33.1 ft	3,160	1935
U.s. Highway 101 over Newton B Drury Scenic Pk	Fair	105.0 ft	3,100	1990
11th ST over US Highway 101	Fair	270.7 ft	2,956	1976
Country Club RD over Trinity River	Fair	512.1 ft	2,947	1957
State Route 96 over Hillside	Fair	264.1 ft	2,900	1985
State Route 36 over Yager Creek	Fair	396.0 ft	2,800	1968
Twelfth ST over U.s. Highway 101	Fair	196.9 ft	2,500	1962
Briceland-thorne over South Fork Eel River	Fair	461.9 ft	2,468	1966
State Route 283 over Eel River & Nwp Rr	Fair	1195.9 ft	2,150	1941
Saint Louis RD over US Highway 101 & Ncrra	Fair	383.9 ft	2,099	1976
East Frontage Road over Pedestrian Walkway	Fair	39.4 ft	2,000	1976
Redwood DR over Dean Creek	Fair	131.9 ft	1,978	1933
Briceland-thorne over Redwood Creek	Fair	99.1 ft	1,836	1938
Briceland-thorne over Redwood Creek	Fair	86.9 ft	1,836	1959
Briceland RD over Redwood Creek	Fair	65.0 ft	1,836	1935
King Salmon DR over King Salmon Slough	Fair	103.0 ft	1,782	1988
State Route 36 over Van Duzen River	Fair	580.4 ft	1,650	1984
State Route 96 over Hillside	Fair	158.5 ft	1,505	1966
State Route 96 over Hillside	Fair	186.0 ft	1,505	1964
IRR BIA RTE 541a over Supply Creek	Fair	108.3 ft	1,500	1966
Briceland-thorne over China Creek	Fair	106.0 ft	1,328	1959
State Route 36 over Van Duzen River	Fair	376.3 ft	1,200	1965
State Route 36 over Butte Creek	Fair	114.5 ft	1,200	1960
State Route 36 over South Fork Van Duzen Riv	Fair	206.7 ft	1,200	1962
Alderpoint Road over US Highway 101	Fair	199.1 ft	1,120	1966
State Route 96 over Camp Creek	Fair	150.9 ft	1,085	1949
Bridge ST over Scotia Mill Pond	Fair	43.0 ft	1,055	1974
Hatchery Road over Mad River	Fair	270.0 ft	1,016	1983
Maple Hills RD over South Fork Eel River	Fair	345.1 ft	1,005	1957
Sprowl Creek Road over US Highway 101	Fair	133.2 ft	1,000	1967
Hookton Road over US Highway 101	Fair	165.0 ft	950	1962
Painter ST over US Highway 101	Fair	265.1 ft	890	1976
Waddington RD over Salt River	Fair	106.0 ft	890	2016
Davison RD over Prairie Creek	Fair	101.4 ft	875	1988
State Route 96 over Klamath River	Fair	542.0 ft	710	1949
6th Street over US Highway 101	Fair	169.9 ft	700	1960
Mattole RD over Harper Creek	Fair	20.7 ft	600	1977
State Route 254 over Bridge Creek	Fair	160.1 ft	565	1938
State Route 96 over Slate Creek	Fair	177.5 ft	540	1960
Berta RD over Elk River	Fair	128.3 ft	518	1936
Mattole RD over Mattole River	Fair	383.9 ft	514	1920
Mattole RD over Bull Creek	Fair	154.9 ft	500	1966
Arlington Avenue over Francis Creek	Fair	32.2 ft	500	2001
Chambers Road over Mill Creek	Fair	60.0 ft	500	2015
West End Road over Warren Creek	Fair	29.9 ft	472	1927
Centerville Road over Fleener Creek	Fair	39.4 ft	444	1952
Pine Creek RD over Soctish Creek	Fair	95.1 ft	437	1950
Cannibal Road over Mosley Slough	Fair	296.3 ft	434	1959
Briceland-thorne over Mckee Creek	Fair	45.9 ft	420	1952
Briceland Thorn RD over Vanarken Creek	Fair	105.0 ft	420	1961
Thomas Road over Salmon Creek	Fair	185.0 ft	395	1962
River Bar Road over Barber Creek Wash	Fair	27.9 ft	351	1970
Fort Seward RD over Eel River	Fair	624.0 ft	350	1958
State Route 254 over Greenlaw Creek	Fair	122.0 ft	330	1959
State Route 169 over Miners Creek	Fair	234.9 ft	320	1995
Mattole RD over Bull Creek	Fair	85.0 ft	310	1956
Mattole Road over Singley Creek	Fair	123.0 ft	308	1959
Blue Slide Road over Price Creek	Fair	104.0 ft	302	1959
Salmon Creek Road over Salmon Creek	Fair	142.4 ft	300	1959
State Park Road over Upper Durphy Creek	Fair	23.3 ft	300	1965
Briceland Road over Redwood Creek (redway)	Fair	101.0 ft	260	1938
Coffee Creek Road over Perry Slough	Fair	89.9 ft	254	1931
Alderpoint Road over Cooper Creek	Fair	27.9 ft	250	1952
Briceland Road over Redwood Creek	Fair	78.1 ft	250	1949
Fulmor Road over Salt River	Fair	407.2 ft	246	1950
Alderpoint RD over Eel River & Nwp Rr	Fair	762.1 ft	240	1972
Mattole Road over Bear River	Fair	290.4 ft	231	1974
Mattole Road over North Fork Mattole River	Fair	217.5 ft	219	1961
Mattole Road over Mattole River	Fair	166.0 ft	205	1935
Alderpoint Road over North Dobbyn Creek	Fair	104.0 ft	201	1966
Etsbrg Hnydew RD over Mattole River	Fair	103.0 ft	200	1928
Mattole Road over Little Dry Creek	Fair	81.0 ft	200	2018
Mattole Road over Mattole River	Fair	382.5 ft	196	1973
Mattole RD over Dry Creek	Fair	88.9 ft	196	1985
Mattole RD over Domingo Creek	Fair	32.2 ft	183	1926
Mattole Road over Mcnutt Creek	Fair	101.4 ft	180	1996
Alderpoint Road over Burr Creek	Fair	158.8 ft	173	1960
Howard Heights RD over Freshwater Creek	Fair	96.1 ft	172	1949
Mattole Road over Woods Creek	Fair	41.0 ft	171	1976
Sprowel Creek Road over Sprowel Creek	Fair	150.9 ft	163	1959
Brookwood Drive over Jacoby Creek	Fair	67.9 ft	162	1967
Bear Canyon Road over South Fork Eel River	Fair	649.6 ft	158	2000
Elk River Road over North Fork Elk River	Fair	95.1 ft	156	1923
Pesula Road over US Highway 101	Fair	185.0 ft	155	1961
Cappell RD over Mareep Creek	Fair	53.1 ft	150	1965
Burrel Road over Upper N Fk Mattole Riv	Fair	183.1 ft	142	1961
Ishi Pishi Road over Wilson Creek	Fair	57.1 ft	132	1975
Williams Creek RD over Williams Creek	Fair	79.7 ft	130	2016
Wilder Ridge Road over Beartrap Creek	Fair	39.0 ft	128	1960
Alderpoint RD over Martin Creek	Fair	171.9 ft	124	1972
Alderpoint RD over Larabee Creek	Fair	104.3 ft	124	1966
Ishi Pishi RD over Ranger Flat Draw	Fair	51.8 ft	122	1950
Price Creek Road over Price Creek	Fair	56.1 ft	118	1940
S Quarry Road over Jacoby Creek	Fair	113.8 ft	115	1971
Alderpoint RD over Conley Creek	Fair	69.9 ft	114	1990
Bair Road over Redwood Creek	Fair	144.0 ft	113	1950
Forest Road over South Fork Eel River	Fair	500.0 ft	110	1965
Alderpoint RD over Larabee Creek	Fair	59.1 ft	107	1960
Maple Creek Road over Boulder Creek	Fair	63.3 ft	106	1923
Butler Valley RD over Mad River	Fair	204.1 ft	105	1937
Old Mattole RD over Mcnutt Creek	Fair	84.0 ft	100	1926
Island Mountain RD over Chamise Creek	Fair	83.3 ft	100	1973
Freshwater Pool RD over Freshwater Creek	Fair	54.1 ft	100	1972
Mccann Road over Eel River	Fair	301.8 ft	100	1965
Holmes Flat RD over Eel River	Fair	89.9 ft	100	1999
Price Creek Road over Price Creek	Fair	98.1 ft	82	1981
Chezem RD over Redwood Creek	Fair	124.0 ft	78	1916
Upper Bear Riv RD over Bear River	Fair	230.3 ft	75	1968
Ishi Pishi RD over Klamath River	Fair	664.0 ft	71	1967
Bair Road over Supply Creek	Fair	41.0 ft	69	1950
Smith Point over South Fork Eel River	Fair	555.1 ft	69	1934
Howe Creek Road over Atwell Creek	Fair	37.1 ft	68	1960
Shiveley Road over Shiveley Creek	Fair	41.7 ft	58	1960
Maple Creek RD over Canyon Creek	Fair	165.0 ft	55	1951
Whitlow Road over Sonoma Creek #2	Fair	42.0 ft	53	1966
Whitlow Road over Sonoma Creek #1	Fair	40.0 ft	53	1966
Jack Shaw Road over Billings Creek	Fair	74.1 ft	50	1987
Albert Etter Ra RD over Bear Creek	Fair	88.9 ft	50	1985
Steelhead RD over Powers Creek	Fair	60.0 ft	50	2007
No Data Entered over Red Cap Creek	Fair	190.0 ft	50	1977
Davison Road over Prairie Creek	Fair	102.0 ft	50	1970
Bald Hills Road over Klamath River	Fair	793.0 ft	43	1959
IRR BIA RTE 18 over Pine Creek	Fair	122.4 ft	40	1977
Price Creek Road over Price Creek	Fair	42.7 ft	39	1953
Zanes RD over Elk River	Fair	125.3 ft	38	1936
Fort Seward Road over Dobbyn Creek	Fair	168.0 ft	38	1960
Williams Creek RD over Williams Creek	Fair	39.4 ft	30	1950
North Fork Road over Mattole Creek	Fair	42.7 ft	30	1996
Kneeland Road over Lawrence Creek	Fair	58.1 ft	28	1949
Upper Bear Riv RD over Bear River	Fair	232.3 ft	27	1960
U. Bear River Road over Arroyo Creek	Fair	32.5 ft	27	1960
Cockrobin Isld RD over Eel River	Fair	775.9 ft	25	1961
Elinor Road over Greenlow Creek	Fair	87.9 ft	20	1988
Conklin Creek Road over East Mill Creek	Fair	37.7 ft	20	2003
Howe Creek Road over Howe Creek	Fair	89.6 ft	19	2006
Maple Creek Road over Heath Creek	Fair	33.1 ft	17	1961
Nissen Lane over Nissen Slough	Fair	81.4 ft	13	1952
Access Road To Cdf over Browns Creek	Fair	44.0 ft	12	2012
IRR BIA RTE 3 over Tully Creek	Fair	125.3 ft	10	1972
IRR BIA RTE 11 over Pine Creek	Fair	124.7 ft	10	1977
Prescott Drive over Johnson Gulch	Fair	35.1 ft	9	1973
Shower Pass RD over Olsen Creek	Fair	48.2 ft	7	1966
U.s. Highway 101 over Orchard AVE	Good	130.9 ft	25,700	1963
U.s. Highway 101 over Salmon Creek	Good	155.8 ft	21,500	1957
U.s. Highway 101 over Finch Creek Road	Good	131.2 ft	21,500	1958
U.s. Highway 101 over Finch Creek Road	Good	131.2 ft	21,500	1958
US Highway 101 SB over Mad River	Good	750.0 ft	18,500	2011
US Highway 101 NB over Jacoby Creek	Good	75.1 ft	18,125	1955
US Highway 101 SB over Jacoby Creek	Good	73.2 ft	18,125	2022
U.s. Highway 101 over Kenmar Road	Good	131.9 ft	17,900	1962
US Highway 101 NB over Gannon Slough	Good	76.4 ft	17,500	1955
US Highway 101 SB over West End RD Creek Ncrra	Good	264.1 ft	17,500	1956
US Highway 101 NB over Eureka Slough	Good	946.9 ft	17,000	1956
US Highway 101 SB over N Central AVE	Good	116.1 ft	16,500	1964
US Highway 101 NB over N Central AVE	Good	116.1 ft	16,500	1964
US Highway 101 SB over Airport Road	Good	111.2 ft	16,500	1964
US Highway 101 NB over Airport Road	Good	111.2 ft	16,500	1964
U.s. Highway 101 over Rohner Creek	Good	86.9 ft	15,000	1962
US Highway 101 SB over Van Duzen River	Good	813.3 ft	13,000	2007
State Route 299 over US Highway 101	Good	154.9 ft	12,400	1956
U.s. Highway 101 over Pacific Lumber Co RD	Good	79.7 ft	10,800	1979
U.s. Highway 101 over Little River	Good	414.7 ft	10,500	1964
State Route 299 over Mill Creek	Good	116.1 ft	9,700	1965
Myrtle AVE over Ryan Slough	Good	161.1 ft	8,530	1955
Myrtle AVE over Freshwater Creek	Good	121.1 ft	7,009	1983
Myrtle AVE over Freshwater CR Overflow	Good	203.1 ft	6,908	1984
U.s. Highway 101 over Barkdull Road	Good	108.9 ft	6,890	1966
School Road over US Highway 101	Good	187.7 ft	6,800	1964
U.s. Highway 101 over Hooker Creek Road	Good	24.0 ft	6,700	1965
Sunset AVE over US Highway 101	Good	258.9 ft	6,378	1976
U.s. Highway 101 over Sfk Eel River Mattole RD	Good	890.4 ft	6,190	1958
U.s. Highway 101 over Newton Road	Good	139.4 ft	6,190	1961
U.s. Highway 101 over Sorenson Road	Good	109.6 ft	6,190	1967
U.s. Highway 101 over S101-st RTE 254	Good	110.9 ft	6,000	1958
US Highway 101 NB over Jordan Creek	Good	393.0 ft	6,000	1966
U.s. Highway 101 over Eel River & Ncrra	Good	1020.0 ft	5,900	1965
US Highway 101 over SR 254 South Fork Eel Rv	Good	876.0 ft	5,900	1964
U.s. Highway 101 over Dimmick Road	Good	104.7 ft	5,900	1964
U.s. Highway 101 over E Branch S Frk Eel Riv	Good	369.1 ft	5,700	1968
State Route 211 over Salt River Overflow	Good	115.2 ft	5,700	1964
State Route 211 over Salt River	Good	362.5 ft	5,700	1951
U.s. Highway 101 over South Fork Eel River	Good	701.1 ft	5,700	1969
U.s. Highway 101 over Oakcrest Court	Good	130.9 ft	5,700	1969
U.s. Highway 101 over South Fork Eel River	Good	608.9 ft	5,700	1969
Guintoli Lane over State Route 299	Good	160.1 ft	5,644	1969
US Highway 101 NB over Eel Riv Edwards DR Ncrra	Good	1426.8 ft	5,500	1976
U.s. Highway 101 over Hillside	Good	1307.4 ft	5,450	1963
U.s. Highway 101 over Williford Road	Good	112.9 ft	5,450	1961
US Highway 101 over SR 254 AVE Of The Giants	Good	142.1 ft	5,450	1963
State Route 211 over Old River	Good	201.1 ft	5,300	1964
U.s. Highway 101 over Bear Butte Road	Good	134.8 ft	5,100	1962
Herrick AVE over US Highway 101	Good	172.9 ft	5,000	1984
Elk River Road over Martin Slough	Good	80.1 ft	4,801	1992
State Route 299 over Mad River	Good	517.4 ft	4,775	1948
U.s. Highway 101 over Richardson Grove Park RD	Good	86.9 ft	4,500	1958
US Highway 101 SB over Eel River	Good	1730.3 ft	4,400	1974
US Highway 101 SB over Van Duzen River Overflow	Good	63.0 ft	4,400	1952
US Highway 101 NB over Van Duzen River Overflow	Good	63.0 ft	4,400	1952
State Route 299 over South Fork Trinity River	Good	436.4 ft	4,400	1988
State Route 299 over Hillside	Good	97.1 ft	4,400	1966
Redwood Way over Strongs Creek	Good	63.0 ft	4,353	1988
U.s. Highway 101 over Mcdonald Creek	Good	26.9 ft	4,300	1972
State Route 255 over Mad River Slough	Good	497.4 ft	4,300	1981
U.s. Highway 101 over Little Lost Man Creek	Good	69.6 ft	4,200	2020
State Route 36 over US Highway 101	Good	168.3 ft	4,000	2010
U.s. Highway 101 over Redwood Creek	Good	370.1 ft	3,750	1988
U.s. Highway 101 over Redwood Creek Overflow	Good	65.0 ft	3,750	1950
U.s. Highway 101 over Lost Man Creek	Good	106.3 ft	3,700	1986
State Route 299 over North Fork Mad River	Good	421.9 ft	3,500	1969
State Route 299 over Willow Creek	Good	210.0 ft	3,200	1956
U.s. Highway 101 over Boyes Creek	Good	1273.0 ft	3,100	1989
Old Arcata RD over Jacoby Creek	Good	89.9 ft	3,030	1988
Murray Road over US Highway 101	Good	182.1 ft	3,000	1964
State Route 96 over Willow Creek	Good	345.1 ft	2,900	1965
State Route 96 over Hillside	Good	165.4 ft	2,900	1985
State Route 96 over Supply Creek	Good	99.4 ft	2,850	1991
SR 200 (central) over US Highway 101	Good	277.9 ft	2,500	1964
Hiller Road over US Highway 101	Good	186.0 ft	2,500	1964
Riverwalk Drive over Strongs Creek	Good	98.4 ft	2,322	1962
State Route 169 over Cappell Creek	Good	150.3 ft	2,000	2012
State Route 169 over Mawah Creek	Good	163.7 ft	2,000	2012
State Route 169 over Rube Ranch Creek	Good	102.4 ft	2,000	2012
East Frontage Road over Pedestrian Walkway	Good	40.4 ft	2,000	1976
SR 200 (n Bank Rd) over State Route 299	Good	213.9 ft	1,800	1965
State Route 36 over Hely Creek	Good	41.0 ft	1,650	1927
State Route 36 over Van Duzen River	Good	466.5 ft	1,650	1965
State Route 36 over Grizzly Creek	Good	108.9 ft	1,650	1996
State Route 36 over Van Duzen River	Good	401.2 ft	1,650	1985
Glendale DR over Lindsay Creek	Good	104.0 ft	1,520	1995
State Route 96 over Trinity River	Good	620.1 ft	1,505	1957
State Route 96 over Mill Creek	Good	150.6 ft	1,505	1993
State Route 96 over Hillside	Good	65.3 ft	1,505	1964
State Route 96 over Hostler Creek	Good	118.1 ft	1,505	1992
Shelter Cove RD over Mattole River	Good	190.9 ft	1,302	1981
Davis ST over US Highway 101	Good	176.8 ft	1,234	1976
State Route 36 over Little Larabee Creek	Good	180.1 ft	1,200	1960
State Route 36 over Van Duzen River	Good	450.5 ft	1,200	1997
Fieldbrook RD over Squaw Creek	Good	29.5 ft	1,173	1951
Sprowel Creek Road over South Fork Eel River	Good	545.9 ft	1,085	1982
State Route 36 over Van Duzen River	Good	317.3 ft	1,000	1981
Mattole RD over Cuneo Creek	Good	89.9 ft	1,000	1966
State Route 96 over Klamath River (orleans)	Good	770.0 ft	990	1966
Loleta DR over US Highway 101	Good	161.1 ft	800	1962
Grizzly Bluff Road over Williams Creek	Good	62.3 ft	800	2019
Mattole Road over Davis Creek	Good	98.4 ft	700	1998
State Route 254 over Ohman Creek	Good	160.1 ft	690	1939
Eel River Drive over Salmon Creek	Good	62.0 ft	644	1929
Benbow DR over Fish Creek	Good	94.5 ft	627	1967
Lake Benbow DR over E Br South Fork Eel Riv	Good	257.9 ft	627	1932
Crannell Road over US Highway 101	Good	170.9 ft	600	1964
State Route 254 over Elk Creek	Good	120.1 ft	565	1940
State Route 254 over U.s. Highway 101	Good	242.1 ft	565	1961
State Route 254 over Hillside	Good	378.9 ft	565	1989
State Route 254 over Hillside	Good	147.0 ft	565	1995
State Route 96 over Aikens Creek	Good	140.4 ft	560	1960
State Route 96 over Bluff Creek	Good	271.0 ft	560	1960
Dinsmore Drive over Rohner Creek	Good	86.9 ft	556	1962
State Route 96 over Bluff Creek	Good	402.2 ft	540	1967
Port Kenyon Road over Francis Creek	Good	38.4 ft	500	2015
Carson Woods Road over Rohner Creek	Good	69.6 ft	472	1996
State Route 254 over South Fork Eel River	Good	633.9 ft	460	1931
Red Cap Road over Big Rock Gulch	Good	60.0 ft	425	2019
State Route 96 over Pearch Creek	Good	377.3 ft	400	1974
Dillon Road over Salt River	Good	241.5 ft	371	1994
Port Kenyon Road over Salt River Overflow	Good	114.2 ft	351	1962
Maple Hills Road over Salmon Creek	Good	124.0 ft	349	1982
Blue Slide RD over Howe Creek	Good	94.2 ft	346	1978
State Route 169 over Martins Ferry School Crk	Good	68.2 ft	345	2012
State Route 254 over Bear Creek	Good	174.9 ft	330	1939
Jackson Ranch RD over Liscomb Slough	Good	73.2 ft	327	1960
State Route 169 over Rube Creek	Good	57.7 ft	320	1970
State Route 169 over Coon Creek	Good	299.9 ft	320	1988
State Route 169 over Rock Chute Creek	Good	49.5 ft	320	1991
Benbow Drive over E Br South Fork Eel Riv	Good	299.9 ft	316	1970
N101-dean Crk RD over Dean Creek	Good	243.1 ft	310	1967
Carson Woods Road over Rohner Creek	Good	28.9 ft	303	1959
State Route 169 over Pecwan Creek	Good	196.5 ft	260	1961
Mattole Road over Indian Creek	Good	46.3 ft	240	2010
IRR BIA RTE 15 over Hostler Creek	Good	74.5 ft	200	1962
Salmon Creek Road over US Highway 101	Good	137.1 ft	190	1962
Wilder Ridge RD over Honeydew Creek	Good	160.1 ft	189	1990
Tompkins Hill Road over Salmon Creek	Good	43.0 ft	179	1929
Geneva Road over Lost Man Creek	Good	77.1 ft	120	1973
Geneva Road over Little Lost Man Creek	Good	69.6 ft	120	2021
Alderpoint RD over Mcmahon Creek	Good	43.0 ft	106	1958
Butler Valley RD over Maple Creek	Good	82.0 ft	105	1929
Red Cap Road over Boise Creek	Good	111.9 ft	91	1995
Kings Peak Road over North Fork Bear Creek	Good	91.9 ft	75	1993
Howe Creek Road over Howe Creek	Good	94.8 ft	68	1980
Price Creek Road over Price Creek	Good	99.7 ft	67	1996
Golden Gate DR over Van Duzen River	Good	300.9 ft	58	1985
Stover RD over Molasses Creek	Good	33.1 ft	56	1962
Stover Road over Mill Creek	Good	32.5 ft	56	1961
Whitlow RD over Sonoma Creek	Good	62.3 ft	53	1986
No Data Entered over N Fork Red Cap Creek	Good	60.0 ft	50	1967
No Data Entered over Grouse Creek	Good	79.1 ft	50	1997
No Data Entered over No Data Entered	Good	122.0 ft	50	1974
No Data Entered over No Data Entered	Good	111.5 ft	50	1966
No Data Entered over No Data Entered	Good	65.0 ft	50	1988
No Data Entered over No Data Entered	Good	158.1 ft	50	1957
No Data Entered over No Data Entered	Good	82.0 ft	50	1978
No Data Entered over 051054000001005	Good	73.2 ft	50	1973
No Data Entered over No Data Entered	Good	49.9 ft	50	1983
Lanphere Road over Mad River Slough	Good	232.0 ft	45	1988
Price Creek Road over Sweet Creek	Good	36.1 ft	39	1959
Morgan Slough Road over Morgan Slough	Good	89.6 ft	31	1984
Sandy Prairie Road over Van Duzen River Overflow	Good	78.7 ft	30	2009
Devoy RD over Freshwater Slough	Good	118.1 ft	24	1986
Holmes Flat RD over Larabee Creek	Good	303.1 ft	17	1966
Bear River Road over Bonanza Gulch	Good	42.0 ft	15	1986
Lighthouse Road over Mill Creek	Good	41.7 ft	3	2003