HWY 100 over Multnomah Creek

Fair Condition112 years old901 vehicles/day

Location

StateOregon
CountyMultnomah
LocationAt Multnomah Falls
CarriesHWY 100
CrossesMultnomah Creek
Coordinates45.57781, -122.11702

Condition Ratings

Overall ConditionFair
Deck7 (Good)
Superstructure5 (Fair)
Substructure5 (Fair)
Channel/Waterway7 (Good)
Scour Critical5 — Stable for scour

Physical Characteristics

MaterialConcrete
DesignArch - Deck
Total Length66.9 ft (20.4 m)
Max Span40.0 ft (12.2 m)
Deck Width24.0 ft (7.3 m)
Deck Area148.9 sq m
Main Spans1
Year Built1914

Traffic

Avg Daily Traffic901 (2022)
Truck Traffic4%
Lanes On Bridge2

Inspection & Ownership

Last Inspection923
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is on the National Register of Historic Places
Structure Number04534 125 01972

Nearby Bridges