Back Loop RD over Mendenhall River

Fair Condition41 years old4,230 vehicles/day

Location

StateAlaska
CountyJuneau City and
LocationMile Point 3.2
CarriesBack Loop RD
CrossesMendenhall River
Coordinates58.40417, -134.58472

Condition Ratings

Overall ConditionFair
Deck7 (Good)
Superstructure7 (Good)
Substructure5 (Fair)
Channel/Waterway7 (Good)
Scour Critical8 — Stable, low risk

Physical Characteristics

MaterialPrestressed Concrete
DesignStringer/Multi-beam
Total Length195.9 ft (59.7 m)
Max Span97.1 ft (29.6 m)
Deck Width50.9 ft (15.5 m)
Deck Area925.4 sq m
Main Spans2
Year Built1985

Traffic

Avg Daily Traffic4,230 (2020)
Truck Traffic14%
Lanes On Bridge2

Inspection & Ownership

Last Inspection623
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure Number0217

Nearby Bridges