South Tongass HWY over Front And Mill ST Viad

Good Condition53 years old6,830 vehicles/day

Location

StateAlaska
CountyKetchikan Gateway
LocationMile Point 2.1
CarriesSouth Tongass HWY
CrossesFront And Mill ST Viad
Coordinates55.34080, -131.64630

Condition Ratings

Overall ConditionGood
Deck7 (Good)
Superstructure7 (Good)
Substructure7 (Good)
Channel/Waterway8 (Very Good)
Scour Critical8 — Stable, low risk

Physical Characteristics

MaterialPrestressed Concrete
DesignTee Beam
Total Length357.0 ft (108.8 m)
Max Span50.9 ft (15.5 m)
Deck Width60.0 ft (18.3 m)
Deck Area1991.0 sq m
Main Spans7
Year Built1973

Traffic

Avg Daily Traffic6,830 (2020)
Truck Traffic5%
Lanes On Bridge2

Inspection & Ownership

Last Inspection623
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure Number1081

Nearby Bridges

Spruce Mill Way over Front St/spruce Mill Way 0.1 mi Good South Tongass HWY over Front Street Viaduct 0.1 mi Fair South Tongass HWY over Ketchikan Creek 0.2 mi Fair Grant Street over Grant Street Viaduct 0.2 mi Fair Park Street over Ketchikan CR Park-lower 0.2 mi Fair Thomas Street over Thomas Trestle 0.3 mi Fair South Tongass HWY over Water ST Viaduct 0.3 mi Poor Peterson Street over Peterson Street 0.3 mi Poor Park/harris ST over Ketchikan Creek 0.3 mi Poor Hopkins Alley over Bauer-hopkins Trestle 0.4 mi Fair