Lolo Pass RD over Zig Zag River

Good Condition21 years old2,325 vehicles/day

Location

StateOregon
CountyClackamas
Location0.3 M NE Of Zig Zag
CarriesLolo Pass RD
CrossesZig Zag River
Coordinates45.34711, -121.94243

Condition Ratings

Overall ConditionGood
Deck7 (Good)
Superstructure8 (Very Good)
Substructure8 (Very Good)
Channel/Waterway7 (Good)
Scour Critical5 — Stable for scour

Physical Characteristics

MaterialSteel
DesignStringer/Multi-beam
Total Length200.1 ft (61 m)
Max Span200.1 ft (61 m)
Deck Width36.1 ft (11 m)
Deck Area671 sq m
Main Spans1
Year Built2005

Traffic

Avg Daily Traffic2,325 (2020)
Truck Traffic10%
Lanes On Bridge2

Inspection & Ownership

Last Inspection724
Inspection FrequencyEvery 24 months
OwnerCounty Highway Agency
Historical SignificanceHistorical significance is not determined
Structure Number19951 005 00025

Nearby Bridges