Sitka City and County Bridge Report Card

Sitka City and County scores 89 out of 100 on BridgeLookup's Bridge Condition Exposure Score, based on FHWA National Bridge Inventory records.

B89 / 100

Local infrastructure snapshot

Sitka City and County, Alaska

Sitka City and County has 36 bridges in the National Bridge Inventory, with 1 rated poor and 1 rated scour-critical. Its poor-condition share of 2.8% is at or below the 7.5% statewide average.

36Total Bridges

1Poor (2.8%)

20Fair (55.6%)

1Scour-Critical

Quote-Ready Local Facts

2.8%of county bridges are in poor condition, compared with 7.5% statewide and 6.7% nationally.

0daily vehicle crossings are on poor-condition bridges in the county.

1bridges are rated scour-critical, or 2.8% of the county bridge inventory.

Copyable Facts for Reporters

BridgeLookup.com gives Sitka City and County a Bridge Condition Exposure Score of 89/100 (B). The county has 36 bridges in the National Bridge Inventory, including 1 in poor condition and 1 rated scour-critical. Poor-condition bridges carry about 0 daily vehicle crossings. Poor condition does not mean unsafe; bridges judged unsafe are closed or restricted by transportation agencies.

Download all county report-card scores as CSV.

How the Score Breaks Down

Factor	Weight	County Value	Penalty
Poor-condition bridge share	40	2.8%	5.6
Poor-condition traffic exposure	25	0.0% of measured traffic	0.0
Scour-critical bridge share	20	2.8%	5.6
Average age vs national baseline	10	37 years vs 48 nationally	0.0
Traffic-data completeness	5	21,181 measured daily crossings	0.0

Score = 100 minus weighted penalties. The score is a comparative research signal, not an official safety rating. Read the full methodology.

County Comparisons

County Poor-Condition Share	2.8%
State Poor-Condition Share	7.5%
National Poor-Condition Share	6.7%
County Scour-Critical Share	2.8%
Average Bridge Age	37 years
Poor-Condition Traffic Exposure	0 vehicles/day

Bridges to Watch

Busiest Poor-Condition BridgeLogging Road over Corner Creek Trib — 0 vehicles/day Oldest Listed BridgeHalibut Point Road over Cascade Creek — built in 1937 All County BridgesBrowse every bridge record in Sitka City and County.

Top Bridges to Watch in Sitka City and County

Bridge	Reason	Condition	Daily Traffic	Year Built
Logging Road over Corner Creek Trib	Poor condition	Poor	0	1974
Halibut Point Road over Starrigavan Creek	Scour-critical foundation rating	Fair	560	1983
Sawmill CR Road over Indian River	High traffic	Good	7,870	2007
Halibut Point Road over Cascade Creek	High traffic	Fair	4,790	1937
Harbor Drive over Sitka Harbor	High traffic	Fair	3,600	1971
Halibut Point Road over Granite Creek	High traffic	Fair	2,700	2014
Halibut Point Road over No Name Creek	High traffic	Fair	1,360	2014
Sawmill CR Road over Sawmill Creek	High traffic	Fair	117	1962
Road over No Data Entered	High traffic	Good	99	2002
Marine HWY Route over Sitka Ferry Terminal	High traffic	Fair	45	1988

Important safety note

Poor condition does not mean a bridge is unsafe. It means at least one major component has significant deterioration and the bridge is a priority for maintenance, repair, or replacement. Bridges judged unsafe are closed or restricted by transportation agencies.