Parks Highway over North Slough Tanana Riv

Fair Condition59 years old1,710 vehicles/day

Location

StateAlaska
CountyYukon-Koyukuk
LocationMile Point 270.9
CarriesParks Highway
CrossesNorth Slough Tanana Riv
Coordinates64.56889, -149.10556

Condition Ratings

Overall ConditionFair
Deck8 (Very Good)
Superstructure6 (Satisfactory)
Substructure6 (Satisfactory)
Channel/Waterway8 (Very Good)
Scour Critical5 — Stable for scour

Physical Characteristics

MaterialSteel
DesignStringer/Multi-beam
Total Length617.5 ft (188.2 m)
Max Span94.2 ft (28.7 m)
Deck Width36.1 ft (11 m)
Deck Area2070.2 sq m
Main Spans7
Year Built1967

Traffic

Avg Daily Traffic1,710 (2020)
Truck Traffic21%
Lanes On Bridge2

Inspection & Ownership

Last Inspection724
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure Number0201

Nearby Bridges