Bridges in California

25,975Total Bridges

12,239Good

12,452Fair

1,284Poor

Bridge Conditions in California

California has 25,975 bridges tracked in the National Bridge Inventory. Of these, 1,284 (4%) are rated as poor condition — meaning at least one major component has significant deterioration. The average bridge in California is 55 years old.

California Bridge Facts

Total Bridges	25,975
Good Condition	12,239
Fair Condition	12,452
Poor Condition	1,284
Average Bridge Age	55 years
Longest Bridge	36068.9 ft

Longest Bridges in California

State Route 92 over San Francisco Bay36068.9 ftPoor RTE 10 & Ramps over RTE 110 & 29 Streets21918.0 ftFair Interstate 280 over Caltrain Up Rr City Sts21587.9 ftFair Interstate 580 over San Pablo Bay21345.1 ftFair Interstate 80 over Gate San Francisco Bay11523.3 ftGood

Counties in California

Alameda662 bridges42 poor Alpine33 bridges2 poor Amador61 bridges15 poor Butte440 bridges24 poor Calaveras108 bridges6 poor Colusa213 bridges12 poor Contra Costa622 bridges56 poor Del Norte97 bridges9 poor El Dorado192 bridges11 poor Fresno921 bridges35 poor Glenn240 bridges17 poor Humboldt399 bridges21 poor Imperial445 bridges35 poor Inyo69 bridges2 poor Kern668 bridges37 poor Kings169 bridges6 poor Lake131 bridges12 poor Lassen108 bridges8 poor Los Angeles3549 bridges94 poor Madera250 bridges24 poor Marin207 bridges16 poor Mariposa109 bridges12 poor Mendocino356 bridges27 poor Merced532 bridges23 poor Modoc87 bridges1 poor Mono56 bridges3 poor Monterey378 bridges27 poor Napa160 bridges8 poor Nevada137 bridges19 poor Orange1181 bridges33 poor Placer349 bridges16 poor Plumas165 bridges5 poor Riverside1120 bridges18 poor Sacramento737 bridges16 poor San Benito76 bridges7 poor San Bernardino1422 bridges62 poor San Diego1632 bridges39 poor San Francisco144 bridges20 poor San Joaquin655 bridges63 poor San Luis Obispo402 bridges22 poor San Mateo361 bridges37 poor Santa Barbara421 bridges16 poor Santa Clara966 bridges43 poor Santa Cruz194 bridges32 poor Shasta493 bridges11 poor Sierra66 bridges4 poor Siskiyou425 bridges25 poor Solano374 bridges24 poor Sonoma611 bridges32 poor Stanislaus386 bridges52 poor Sutter121 bridges16 poor Tehama447 bridges21 poor Trinity194 bridges7 poor Tulare607 bridges18 poor Tuolumne125 bridges8 poor Ventura501 bridges12 poor Yolo274 bridges12 poor Yuba127 bridges9 poor

Poor Condition Bridges in California

Bridge	County	Length	Traffic	Year
Interstate 110 over Slauson AVE & Bnsf Ry	Los Angeles	159.8 ft	300,000	1996
U.s. Highway 101 over Kester AVE	Los Angeles	97.1 ft	293,000	1959
Interstate 405 over Vermont AVE 190th ST	Los Angeles	455.1 ft	269,000	1962
Interstate 805 over Telegraph Canyon Drain	San Diego	26.9 ft	250,000	1971
State Route 134 over Pacific AVE	Los Angeles	146.0 ft	240,000	1967
Interstate 680 over Monument Boulevard	Contra Costa	552.2 ft	235,000	1998
U.s. Highway 101 over Cesar Chavez BLVD	San Francisco	625.0 ft	234,000	1951
State Route 55 over Lincoln AVE	Orange	198.2 ft	227,000	1961
Interstate 880 over Crandall Creek	Alameda	147.0 ft	225,000	1958
RTE 110 over Torrance BLVD	Los Angeles	66.9 ft	218,000	1962
Route 105 & Lrt over Wright Road	Los Angeles	134.5 ft	217,000	1993
Interstate 80 over Suisun Creek	Solano	72.8 ft	202,000	1932
Interstate 5 over RTE 163 Connectors	San Diego	450.1 ft	199,000	1961
Interstate 880 over Patterson Slough	Alameda	458.0 ft	198,000	1957
U.s. Highway 101 over Cordilleras Creek	San Mateo	33.1 ft	195,000	1930
Interstate 680 over Laurel Drive	Contra Costa	409.1 ft	192,200	1964
Interstate 80 over Green Valley Creek	Solano	80.1 ft	189,000	1928
Interstate 80 over El Portal Drive	Contra Costa	158.1 ft	179,000	1956
Interstate 80 over State Route 4 & Ramps	Contra Costa	443.9 ft	179,000	1958
Interstate 280 over Southgate Avenue	San Mateo	185.0 ft	178,000	1967
U.s. Highway 101 over Argyle Av & Franklin Av	Los Angeles	602.0 ft	175,000	1953
NB And SB RTE 280 over Lyell Street	San Francisco	179.5 ft	170,000	1964
I 280 N Al Line over 280/101 Interchange	San Francisco	1140.1 ft	170,000	1960
Interstate 680 over Grayson Creek	Contra Costa	326.8 ft	169,000	1962
SR 55 over S405-n55 Connector	Orange	139.1 ft	167,000	1966
Route 55 over N405-s55 Connector	Orange	128.0 ft	167,000	1966
I 280 over San Jose & Sickles AVE	San Francisco	476.0 ft	166,000	1964
Interstate 880 over North Fourth Street	Santa Clara	134.8 ft	165,000	1960
Interstate 880 over Guadalupe River	Santa Clara	205.1 ft	165,000	1960
101 And 280 over 280/101 Interchange	San Francisco	1633.9 ft	153,800	1960
Interstate 80 over Alamo Creek	Solano	75.1 ft	147,000	1936
US Highway 101 SB over Highland-nb 101 On Ramp	Los Angeles	449.1 ft	145,500	1954
Interstate 680 over State Route 84 SB & Off	Alameda	331.0 ft	142,000	1967
Interstate 680 over Bernal AVE	Alameda	180.1 ft	136,000	1967
Interstate 280 over Alemany BLVD	San Francisco	371.1 ft	132,000	1966
Interstate 680 over Willow Pass Road	Contra Costa	158.5 ft	130,000	1962
Interstate 680 over Center AVE	Contra Costa	123.0 ft	130,000	1962
Interstate 5 NB over Brookside Calaveras Riv	San Joaquin	520.0 ft	124,000	1968
Interstate 680 over Happy Valley Road	Alameda	170.9 ft	124,000	1967
Interstate 680 over Pleasanton-sunol Road	Alameda	173.9 ft	122,000	1967
State Route 92 over San Francisco Bay	San Mateo	36068.9 ft	120,000	1967
Interstate 680 over Blum Road	Contra Costa	212.9 ft	118,000	1962
Interstate 80 over Willow Avenue	Contra Costa	164.7 ft	115,000	1958
Interstate 5 SB over Weber Pershing Fremont	San Joaquin	2725.1 ft	113,000	1972
Interstate 5 over Monte Diablo AVE	San Joaquin	166.0 ft	113,000	1970
Interstate 210 over Big Tujunga Wash	Los Angeles	1303.5 ft	113,000	1980
Interstate 5 over De Anza Off-ramp	San Diego	171.9 ft	101,500	1954
State Route 242 over Concord Avenue	Contra Costa	158.1 ft	100,000	1963
Interstate 580 over Cerrito Creek	Alameda	64.0 ft	99,000	1991
Interstate 580 WB over Crow Creek	Alameda	268.7 ft	98,500	1988
Interstate 5 over Batiquitos Lagoon	San Diego	219.2 ft	98,500	1965
Interstate 5 over Batiquitos Lagoon	San Diego	219.2 ft	98,500	1965
US Highway 101 SB over Caltrain Up Rr Grand Onr	San Mateo	826.1 ft	98,000	1948
US Highway 101 NB over Caltrain Up Rr Grand Onr	San Mateo	728.3 ft	98,000	1948
Interstate 5 SB over Nctd Bnsf & Amtrak Scrra	San Diego	793.0 ft	96,000	1967
US HWY 50 (i-305) over Westacre RD	Yolo	105.0 ft	90,000	1951
SB State RTE 280 over Serramonte Boulevard	San Mateo	145.0 ft	89,000	1967
NB State RTE 280 over Serramonte Boulevard	San Mateo	128.9 ft	89,000	1967
Interstate 80 WB over West Texas Street	Solano	216.9 ft	87,500	1961
Interstate 80 EB over West Texas Street	Solano	199.5 ft	87,500	1961
Interstate 5 NB over Paradise Cut Uc	San Joaquin	285.1 ft	80,000	1971
I 280 - 101s (wu) over 280/101 Interchange	San Francisco	901.9 ft	80,000	1960
I 280 S Au Line over 280/101 Interchange	San Francisco	1154.9 ft	80,000	1960
State Route 24 over Brown Avenue	Contra Costa	140.1 ft	79,500	1957
State Route 24 over El Nido Ranch RD	Contra Costa	580.1 ft	79,500	1957
State Route 24 over Ebmud Aqueduct	Contra Costa	312.0 ft	79,500	1957
State Route 24 WB over Lafayette Sta Puc(bartd)	Contra Costa	99.1 ft	79,500	1970
SR 180 WB over First Street	Fresno	166.0 ft	79,000	1999
Interstate 5 NB over San Luis Rey River	San Diego	681.1 ft	78,500	1970
State Route 41 over O Street	Fresno	152.2 ft	76,000	1974
Briggsmore Road over Up Rr & Brink Avenue	Stanislaus	307.1 ft	71,797	1976
Interstate 580 over Bnsf Ry South Second ST	Contra Costa	573.5 ft	69,000	1990
State Route 237 over Mathilda Avenue	Santa Clara	183.4 ft	68,000	1961
S680-w24 Connector over N680-w24 Camino Diablo	Contra Costa	1049.9 ft	65,000	1997
SB US Highway 101 over Coyote Creek	Santa Clara	402.9 ft	64,000	1947
NB US Highway 101 over Coyote Creek	Santa Clara	402.9 ft	64,000	1947
N680-n242 Connectr over Walnut Creek	Contra Costa	612.9 ft	63,800	1963
N5-n57 Connector over W22-n5 Connector	Orange	206.0 ft	62,255	1976
E&w54-n805 Connect over Euclid Avenue	San Diego	182.1 ft	62,000	1974
U.s. Highway 101 over Novato Creek	Marin	191.9 ft	61,500	1974
Interstate 680 NB over State Route 237 (future)	Alameda	268.0 ft	61,000	1971
Interstate 680 SB over E Warren AVE	Alameda	218.8 ft	61,000	1971
Interstate 680 NB over E Warren AVE	Alameda	254.9 ft	61,000	1971
Interstate 680 SB over SR 262 (mission Blvd)	Alameda	175.9 ft	61,000	1971
Interstate 680 NB over SR 262 (mission Blvd)	Alameda	175.9 ft	61,000	1971
Interstate 80 WB over Gibson Canyon Creek	Solano	89.9 ft	60,750	1965
Interstate 680 SB over Dept Of Water Resources	Alameda	229.7 ft	60,500	1971
US Highway 101 NB over Maria Ygnacio Creek	Santa Barbara	145.0 ft	60,500	1961
US Highway 101 SB over San Jose Creek	Santa Barbara	92.8 ft	60,500	1946
Valley BLVD over San Gabriel Riv	Los Angeles	942.9 ft	60,420	1916
Interstate 680 SB over Koopman Road	Alameda	154.9 ft	59,000	1967
State Route 47 over San Pedro Terminal Isl	Los Angeles	6062.3 ft	58,000	1963
State Route 13 SB over Moraga AVE	Alameda	262.1 ft	57,000	1964
State Route 13 NB over Moraga AVE	Alameda	252.0 ft	57,000	1964
Interstate 5 NB over Weber Pershing Fremont	San Joaquin	2725.1 ft	56,500	1972
Lawrence Expwy over Stevens Creek BLVD	Santa Clara	174.5 ft	55,150	1966
State Route 99 over High ST & Up Rr	Kern	666.0 ft	53,000	1955
Winton AVE over Interstate 880	Alameda	276.9 ft	52,800	1968
State Route 99 SB over 7th Street & Up Rr	Stanislaus	334.0 ft	52,500	1963
State Route 99 NB over Tuolumne BLVD	Stanislaus	160.1 ft	52,500	1963