BridgeReportCard
HomeAlaskaKetchikan Gateway Borough › All bridges

Every bridge in Ketchikan Gateway Borough, Alaska

107 inventoried bridges, busiest first

United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled

BridgeBuiltVehicles/dayCondition
South Tongass Hwy over Tongass Avenue Viaduct195614,564Fair
South Tongass Hwy over Water St Viaduct195514,046Poor
South Tongass Hwy over Hoadley Creek195711,900Poor
North Tongass Hwy over Carlanna Creek19739,210Fair
South Tongass Hwy over Front Street Viaduct19698,330Fair
South Tongass Hwy over Ketchikan Creek19446,850Fair
South Tongass Hwy over Front and Mill St Viad19736,830Good
North Tongass Hwy over Cannery Creek19895,280Fair
North Tongass Hwy over Ward Creek19755,250Poor
North Tongass Hwy over Whipple Creek19683,440Fair
Park Street over Ketchikan CR Park-lower19672,893Fair
Park/harris St over Ketchikan Creek19572,512Poor
Fair Street over Ketchikan Creek Fair St19672,480Fair
Park Street over Ketchikan CR Park-upper19672,298Fair
Franklin Road over Forks Creek No. 219831,080Good
Ferry Shuttle Rte over Revilla Airport F.t. I19881,023Fair
Ferry Shuttle Rte over Revilla Airport F.t. II20241,023Good
Grant Street over Grant Street Viaduct19701,016Fair
South Tongass Hwy over Forks Creek1938820Fair
South Tongass Hwy over Herring Cove2022820Good
Spruce Mill Way over Front St/spruce Mill Way1969735Good
Water Street over Water St No 22018650Good
Water Street over Water St No 32017650Good
Young St/sayles St over Dunton St Viaduct1979565Fair
Knudson Cove Road over Trollers Creek2017550Good
Hopkins Alley over Bauer-hopkins Trestle1950400Fair
Thomas Street over Thomas Trestle1960400Fair
Ferry Shuttle Rte over Gravina Airport F.t. I1998348Fair
Ferry Shuttle Rte over Gravina Airport F.t. II2024348Good
North Tongass Hwy over First Waterfall Creek2019330Good
North Tongass Hwy over Second Waterfall Creek2019330Good
South Tongass Hwy over Whitman Creek1962270Fair
Marine Hwy Route over Ketchikan Berth II1986250Fair
Millar Street over Millar St Viaduct2011200Good
Marine Hwy Route over Ketchikan Berth I1988164Fair
Shelter Cove Road over Harriet Hunt Creek1981125Poor
8000000 over Perm1978100Fair
Valley Forge Dr over West Fk Ketchikan CR1970100Fair
Warren Street over Warren St Viaduct2011100Good
Gravina Island Hwy over Airport Creek201960Good
Seley Road over East Fork Lewis Reef CR201660Good
Seley Road over West Fork Lewis Reef CR201660Good
8000030 over Perm199150Good
Inter Island Rte over Ketchikan Berth III200350Fair
Sayles/gorge St over Sayles/gorge Viaduct196040Poor
Gravina Island Hwy over Government Creek200830Good
Gravina Island Hwy over Gravina Creek200830Good
Harding Street over Harding Street196830Poor
Peterson Street over Peterson Street195530Poor
Bayview Street over Bayview Street Viaduct201120Good
Bostwick Lake Road over Bostwick No. 1200610Fair
Bostwick Lake Road over Bostwick No. 2200610Fair
Bostwick Lake Road over Bostwick No. 3200610Fair
Bostwick Lake Road over Bostwick No. 4200610Fair
Bostwick Lake Road over Bostwick No. 5200610Fair
Bostwick Lake Road over Bostwick No. 6200610Fair
Gravina Island over Gravina Ferry Layup Fac202310Good
No Data Entered over Mod199010Fair
Shelter Cove Road over Castle Creek202410Good
Shelter Cove Road over Leask Creek202410Good
Shelter Cove Road over Upper Salt Creek202410Good
Shelter Cove Road over Wolf Run Creek202410Good
Vallenar Bay 3000 over Little Creek201810Good
Vallenar Bay 3000 over Micro Creek201810Good
Vallenar Bay 3000 over Vallenar Creek201810Good
Vallenar Bay Road over California Creek201810Good
Vallenar Bay Road over High Mountain Creek201810Good
Vallenar Bay Road over Rosa Reef Creek201810Good
840000 over No Data Entered20105Good
8400000 over No Data Entered20105Good
8400000 over Perm19855Good
8400000 over Perm19855Good
8400000 over Perm19875Good
8400000 over Trail # 828400SHOAL19925Poor
8430000 over Elderberry Creek20115Good
8430000 over Monty Python Creek20115Good
8430000 over Perm19825Fair
8440000 over Perm19875Good
8440000 over Red Bull Slough20115Good
No Data Entered over Licking Creek20115Good
No Data Entered over Mod20155Good
No Data Entered over No Data Entered20155Good
No Data Entered over Perm20035Good
No Data Entered over End of the Line Creek20113Good
8400000 over Perm19972Fair
8400000 over Perm19972Fair
8400600-0.59 over Mod20072Fair
8400600-0.70 over Mod20072Fair
No Data Entered over Perm19972Poor
No Data Entered over Perm20022Fair
No Data Entered over Perm20022Fair
No Data Entered over Perm20022Good
8000000-21.711 over Mod1992Fair
8040000 over Mod1989Fair
8040000 over Mod1989Fair
8050000-1.808 over Perm1995Good
8060000-3.286 over No Data Entered2005Good
8060210-0.238 over No Data Entered1995Good
8330000 over Mod1992Poor
8340000 over Mod1990Fair
8340000 over Mod1993Fair
Margaret over No Data Entered2010Fair
Margaret over No Data Entered2010Good
No Data Entered over Mod1989Poor
No Data Entered over No Data Entered1980Fair
No Data Entered over No Data Entered1992Fair
No Data Entered over No Data Entered1995Fair

Source: FHWA National Bridge Inventory, 2025.

Ketchikan Gateway Borough bridge conditions · Alaska bridges by county.

Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.