Williamsport/pile over Iliamna River

Good Condition7 years old20 vehicles/day

Location

StateAlaska
CountyLake and Peninsula
LocationMile Point 11.0
CarriesWilliamsport/pile
CrossesIliamna River
Coordinates59.75838, -153.84638

Condition Ratings

Overall ConditionGood
Deck7 (Good)
Superstructure9 (Excellent)
Substructure9 (Excellent)
Channel/Waterway9 (Excellent)
Scour Critical8 — Stable, low risk

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length223.1 ft (68 m)
Max Span108.9 ft (33.2 m)
Deck Width19.0 ft (5.8 m)
Deck Area394.4 sq m
Main Spans2
Year Built2019

Traffic

Avg Daily Traffic20 (2019)
Truck Traffic13%
Lanes On Bridge1

Inspection & Ownership

Last Inspection724
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure Number2137

Nearby Bridges