South Tongass HWY over Herring Cove

Good Condition4 years old820 vehicles/day

Location

StateAlaska
CountyKetchikan Gateway
LocationMile Point 10.7
CarriesSouth Tongass HWY
CrossesHerring Cove
Coordinates55.32650, -131.52510

Condition Ratings

Overall ConditionGood
Deck9 (Excellent)
Superstructure9 (Excellent)
Substructure9 (Excellent)
Channel/Waterway9 (Excellent)
Scour Critical8 — Stable, low risk

Physical Characteristics

MaterialPrestressed Concrete
DesignTee Beam
Total Length131.2 ft (40 m)
Max Span128.0 ft (39 m)
Deck Width48.9 ft (14.9 m)
Deck Area596 sq m
Main Spans1
Year Built2022

Traffic

Avg Daily Traffic820 (2020)
Truck Traffic13%
Lanes On Bridge2

Inspection & Ownership

Last Inspection623
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure Number0253

Nearby Bridges