Bridges in Alaska

1,660Total Bridges

766Good

770Fair

124Poor

Bridge Conditions in Alaska

Alaska has 1,660 bridges tracked in the National Bridge Inventory. Of these, 124 (7%) are rated as poor condition — meaning at least one major component has significant deterioration. The average bridge in Alaska is 36 years old.

Alaska Bridge Facts

Total Bridges	1,660
Good Condition	766
Fair Condition	770
Poor Condition	124
Average Bridge Age	36 years
Longest Bridge	2830.1 ft

Longest Bridges in Alaska

Main Street over Main Street Pelican2830.1 ftPoor Loop Rd/c Street over Anchorage Port Access2654.9 ftFair Dalton Highway over Yukon River2294.9 ftFair Alaska Highway over Robertson River1979.0 ftFair Marine HWY Route over Cold Bay Dock1824.1 ftPoor

Counties in Alaska

Aleutians East16 bridges3 poor Aleutians West8 bridges Anchorage134 bridges Bethel13 bridges1 poor Bristol Bay2 bridges County 1 bridges County 06365 bridges8 poor County 06653 bridges3 poor County 1581 bridges Denali27 bridges1 poor Dillingham3 bridges2 poor Fairbanks North Star112 bridges6 poor Haines20 bridges1 poor Hoonah-Angoon103 bridges5 poor Juneau City and47 bridges1 poor Kenai Peninsula102 bridges13 poor Ketchikan Gateway107 bridges12 poor Kodiak Island25 bridges3 poor Lake and Peninsula10 bridges1 poor Matanuska-Susitna121 bridges8 poor Nome30 bridges4 poor North Slope16 bridges1 poor Northwest Arctic7 bridges1 poor Petersburg137 bridges11 poor Prince of Wales-Hyder226 bridges16 poor Sitka City and36 bridges1 poor Skagway6 bridges1 poor Southeast Fairbanks64 bridges7 poor Wrangell City and58 bridges3 poor Yakutat City and16 bridges3 poor Yukon-Koyukuk94 bridges8 poor

Poor Condition Bridges in Alaska

Bridge	County	Length	Traffic	Year
South Tongass HWY over Water ST Viaduct	Ketchikan Gateway	1624.0 ft	14,046	1955
South Tongass HWY over Hoadley Creek	Ketchikan Gateway	44.9 ft	11,900	1957
North Tongass HWY over Ward Creek	Ketchikan Gateway	194.9 ft	5,250	1975
Minnie Street over Noyes Slough (minnie St)	Fairbanks North Star	135.2 ft	4,130	1953
Sterling Highway over South Fork Anchor River	Kenai Peninsula	82.0 ft	3,490	1959
Rezanof Drive over Sargent Creek	Kodiak Island	76.4 ft	2,790	1980
Park/harris ST over Ketchikan Creek	Ketchikan Gateway	66.9 ft	2,512	1957
Funny River Road over Funny River	Kenai Peninsula	51.8 ft	1,830	1969
Rezanof Drive over Russian River	Kodiak Island	113.8 ft	1,770	1980
Craig/klawock/holl over Crab Creek Culvert	Prince of Wales-Hyder	25.9 ft	1,200	1985
Copper River HWY over Eyak River	County 063	254.9 ft	1,110	1954
Gustavus Airport R over Salmon River	Hoonah-Angoon	158.1 ft	1,020	1976
Marine HWY Route over Skagway Ferry Terminal	Skagway	174.9 ft	947	1980
Parks Highway over Hardage Creek	Matanuska-Susitna	25.9 ft	940	1971
Parks Highway over Nenana River At Rex	Denali	509.8 ft	910	1963
Richardson Highway over Gulkana River	County 066	404.9 ft	880	1974
Richardson Highway over Lowe River Lwr Keystone	County 063	303.1 ft	810	1980
Chiniak Highway over Salt Creek	Kodiak Island	156.8 ft	600	1974
Copper River HWY over Scott Glacier No 8	County 063	161.7 ft	520	1966
Fourth Avenue over Seward Lagoon	Kenai Peninsula	41.0 ft	500	1960
Irr:ocean Cape RD over Ankau Slough	Yakutat City and	495.1 ft	457	1961
Point Whitshed RD over Heney Creek	County 063	56.1 ft	440	1936
91 Mile Loop over Little Tok River	County 066	84.0 ft	336	1979
Richardson Highway over Upper Miller Creek	Southeast Fairbanks	183.1 ft	280	1958
Richardson Highway over Castner Creek	Southeast Fairbanks	152.9 ft	280	1958
Irr:northway Road over Fish Camp Creek	Southeast Fairbanks	48.9 ft	210	1987
Richardson Highway over Gunn Creek	County 066	81.4 ft	200	1954
Amalga Street over Jordan Creek (amalga St)	Juneau City and	77.1 ft	200	1982
Willow/fishhook RD over Willow Creek	Matanuska-Susitna	109.9 ft	190	1975
Thorne Bay Road over Gravelly Creek	Prince of Wales-Hyder	97.1 ft	190	1989
Alaska Highway over Johnson River	Southeast Fairbanks	974.4 ft	180	1944
Alaska Highway over Gerstle River	Southeast Fairbanks	1819.6 ft	180	1944
Taylor Highway over Taylor Creek	Southeast Fairbanks	60.4 ft	160	1977
Petersville Road over Moose Creek	Matanuska-Susitna	73.2 ft	160	1974
Irr: Dock Road over King Cove Access Bridge	Aleutians East	47.9 ft	150	1995
Shelter Cove Road over Harriet Hunt Creek	Ketchikan Gateway	53.1 ft	125	1981
Irr:steese Highway over Crooked Creek	Yukon-Koyukuk	81.0 ft	110	1957
Irr:jakolof Bay RD over Barabara Creek	Kenai Peninsula	71.9 ft	110	1968
Dalton Highway over Hammond River	Yukon-Koyukuk	151.9 ft	110	1972
Nautical Avenue over Salmon Creek Tributary	Kenai Peninsula	41.0 ft	100	1970
Ted Stevens Way over June Creek Culverts	Northwest Arctic	55.1 ft	100	2010
Copper River HWY over Copper Delta	County 063	880.2 ft	94	1977
Irr: Airfield RD over Gold Creek	Yukon-Koyukuk	30.8 ft	86	1972
Mineral Creek Road over Mineral Creek	County 063	101.0 ft	75	1970
Sand Point Road over Humbolt Slough	Aleutians East	89.9 ft	75	1998
Copper River HWY over Million Dollar Bridge	County 063	1566.6 ft	65	1910
Copper River HWY over Copper Delta	County 063	400.9 ft	65	1977
Denali Highway over Susitna River	Matanuska-Susitna	1039.0 ft	60	1956
Irr:nome-taylor RD over Kougarok River	Nome	183.1 ft	50	1941
Irr:airport Road over Unnamed Creek Koliganek	Dillingham	40.0 ft	50	1980
Fdr 6265 over Stream -perm	Wrangell City and	65.9 ft	50	1980
Sterling L/ophir over Takotna River	Yukon-Koyukuk	254.9 ft	45	1941
Sterling L/ophir over California Creek	Yukon-Koyukuk	44.6 ft	45	1937
Sterling L/ophir over Spruce Creek	Yukon-Koyukuk	28.9 ft	45	1964
Irr:anderson RD over Indian Creek	Lake and Peninsula	69.9 ft	45	1985
Dangerous River RD over Dangerous River	Yakutat City and	429.8 ft	40	1976
Sayles/gorge ST over Sayles/gorge Viaduct	Ketchikan Gateway	127.0 ft	40	1960
Standard Creek RD over Goldstream Creek	Fairbanks North Star	64.0 ft	30	1994
Back Acres Road over Bodenburg Creek	Matanuska-Susitna	32.8 ft	30	2002
Standard Creek RD over Standard Creek	Fairbanks North Star	29.9 ft	30	2006
Harding Street over Harding Street	Ketchikan Gateway	33.1 ft	30	1968
Peterson Street over Peterson Street	Ketchikan Gateway	41.0 ft	30	1955
Irr:nome-teller RD over Sinuk River	Nome	360.6 ft	20	1967
Irr:nome-teller RD over Snake River	Nome	130.9 ft	20	1959
Irr:nome-teller RD over Tisuk River	Nome	240.5 ft	20	1967
Taylor Highway over American Creek No 1	Southeast Fairbanks	109.9 ft	20	1988
Section Line RD over Little Chena River	Fairbanks North Star	95.1 ft	20	1980
IRR BIA RTE 26 over Unnamed Stream	Prince of Wales-Hyder	68.2 ft	20	1980
No Data Entered over Mod	Prince of Wales-Hyder	40.0 ft	20	2005
Irr:airport Road over Shageluk Slough	Yukon-Koyukuk	127.0 ft	11	1978
Happy Creek Road over Otter Creek	Yukon-Koyukuk	51.8 ft	10	1947
Main Street over Main Street Pelican	Hoonah-Angoon	2830.1 ft	10	1939
Elk Road over Bodenburg Creek	Matanuska-Susitna	35.1 ft	10	2002
Marine HWY Route over Cold Bay Dock	Aleutians East	1824.1 ft	10	1980
Irr:kolgnk Dump RD over Unnamed Creek	Dillingham	41.0 ft	10	1980
Oil Well Road over Moose Creek	Matanuska-Susitna	64.0 ft	10	1998
Grubstake-hatchers over Willow Creek	Matanuska-Susitna	41.3 ft	10	1945
Kake Access - Usfs over Muskeg Creek	Petersburg	50.5 ft	10	1981
IRR BIA RTE 1026 over Unnamed Creek	Kenai Peninsula	65.0 ft	10	1997
IRR BIA RTE 1026 over Unnamed Creed	Kenai Peninsula	37.1 ft	10	1997
IRR BIA RTE 8pgh over Unnamed Creek	Kenai Peninsula	55.1 ft	10	1997
No Data Entered over Palmer Creek	Kenai Peninsula	32.2 ft	10	1957
Logging Road over Stream	Petersburg	49.5 ft	10	2003
Nuc Circle Road over Creek	Fairbanks North Star	42.3 ft	10	1998
Tanana Bridge Road over Boundry Slough	Fairbanks North Star	121.1 ft	10	2012
IRR BIA RTE 461 over Unnamed Creek	Prince of Wales-Hyder	40.0 ft	10	1982
IRR BIA RTE 461 over Unnamed Creek	Prince of Wales-Hyder	40.0 ft	10	1980
IRR BIA RTE 461 over Unnamed Creek	Prince of Wales-Hyder	39.0 ft	10	1980
IRR BIA RTE 461 over Unnamed Creek	Prince of Wales-Hyder	22.0 ft	10	1980
IRR BIA RTE 8pgh over Unnamed Creek	Kenai Peninsula	37.1 ft	5	1997
IRR BIA RTE 8pgh over Unnamed Creek	Kenai Peninsula	39.0 ft	5	1997
IRR BIA RTE 8pgh over Unnamed Creek	Kenai Peninsula	37.1 ft	5	1997
8400000 over Trail # 828400shoal	Ketchikan Gateway	60.0 ft	5	1992
43500 over Log	Petersburg	49.9 ft	5	2002
43500 over Log	Petersburg	41.0 ft	5	2002
43506 over Log	Petersburg	35.1 ft	5	2002
43506 over Log	Petersburg	42.0 ft	5	2002
43506 over Log	Petersburg	28.9 ft	5	2002
No Data Entered over No Data Entered	Petersburg	44.9 ft	5	2004
3013000-1.06 over Mod	Prince of Wales-Hyder	40.0 ft	5	1977