Portage Glacier RD over Portage CR Overflow No 1

Fair Condition61 years old920 vehicles/day

Location

StateAlaska
CountyAnchorage
LocationMile Point 3.2
CarriesPortage Glacier RD
CrossesPortage CR Overflow No 1
Coordinates60.79306, -148.90417

Condition Ratings

Overall ConditionFair
Deck7 (Good)
Superstructure7 (Good)
Substructure5 (Fair)
Channel/Waterway8 (Very Good)
Scour Critical8 — Stable, low risk

Physical Characteristics

MaterialConcrete
DesignSlab
Total Length83.0 ft (25.3 m)
Max Span26.9 ft (8.2 m)
Deck Width33.8 ft (10.3 m)
Deck Area260.6 sq m
Main Spans3
Year Built1965

Traffic

Avg Daily Traffic920 (2020)
Truck Traffic12%
Lanes On Bridge2

Inspection & Ownership

Last Inspection623
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure Number0403

Nearby Bridges

Portage Glacier RD over Portage CR Overflow No 2 0.4 mi Fair Portage Glacier RD over Portage CR Overflow No 3 0.9 mi Fair Whittier Access RD over Portage Creek 2.2 mi Good Whittier Access RD over Placer Creek 2.7 mi Good Seward Highway over Portage Creek No 1 3.1 mi Good Seward Highway over Placer River Main Cross 3.2 mi Good Seward Highway over Portage Creek No 2 3.4 mi Good Seward Highway over Placer River Overflow 3.8 mi Good Seward Highway over Twenty Mile River 4.6 mi Good