RD 431 over ST Regis River

Fair Condition69 years old50 vehicles/day

Location

StateMontana
CountyMineral
LocationTwomile CR
CarriesRD 431
CrossesST Regis River
Coordinates47.29557, -115.16934

Condition Ratings

Overall ConditionFair
Deck7 (Good)
Superstructure6 (Satisfactory)
Substructure7 (Good)
Channel/Waterway7 (Good)
Scour Critical5 — Stable for scour

Physical Characteristics

MaterialSteel
DesignStringer/Multi-beam
Total Length150.9 ft (46 m)
Max Span94.2 ft (28.7 m)
Deck Width18.0 ft (5.5 m)
Deck Area253 sq m
Main Spans3
Year Built1957

Traffic

Avg Daily Traffic50
Lanes On Bridge1

Inspection & Ownership

Last Inspection523
Inspection FrequencyEvery 24 months
OwnerU.S. Forest Service
Historical SignificanceHistorical significance is not determined
Structure Number011607000000086

Nearby Bridges

RD 431 over Twomile Creek 0.2 mi Fair I 90 over Int Two Mile-st Regis R 0.2 mi Fair I 90 over Int Two Mile-st Regis R 0.2 mi Fair I 90 over St. Regis Rvr-int Ramp 0.3 mi Fair I 90 over St. Regis River 0.5 mi Fair I 90 over St. Regis River 0.5 mi Fair I 90 over St. Regis River 0.6 mi Good I 90 over St. Regis River 0.7 mi Fair I 90 over St. Regis River 0.7 mi Fair I 90 EB over St. Regis River 1.5 mi Fair