Denali Highway over Susitna River

Poor Condition70 years old60 vehicles/day

Location

StateAlaska
CountyMatanuska-Susitna
LocationMile Point 79.5
CarriesDenali Highway
CrossesSusitna River
Coordinates63.10480, -147.52100

Condition Ratings

Overall ConditionPoor
Deck7 (Good)
Superstructure5 (Fair)
Substructure4 (Poor)
Channel/Waterway7 (Good)
Scour Critical3 — Scour critical

Physical Characteristics

MaterialSteel
DesignTruss - Deck
Total Length1039.0 ft (316.7 m)
Max Span164.7 ft (50.2 m)
Deck Width22.0 ft (6.7 m)
Deck Area2121.9 sq m
Main Spans1
Year Built1956

Traffic

Avg Daily Traffic60 (2020)
Truck Traffic21%
Lanes On Bridge2

Inspection & Ownership

Last Inspection723
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure Number0687