S 261 over Smith Creek

Good Condition18 years old74 vehicles/day

Location

StateMontana
CountyRichland
Location23m S Sidney
CarriesS 261
CrossesSmith Creek
Coordinates47.36271, -104.17655

Condition Ratings

Overall ConditionGood
Deck7 (Good)
Superstructure8 (Very Good)
Substructure7 (Good)
Channel/Waterway7 (Good)
Scour Critical8 — Stable, low risk

Physical Characteristics

MaterialPrestressed Concrete
DesignStringer/Multi-beam
Total Length172.2 ft (52.5 m)
Max Span67.3 ft (20.5 m)
Deck Width30.8 ft (9.4 m)
Deck Area493.5 sq m
Main Spans3
Year Built2008

Traffic

Avg Daily Traffic74 (2023)
Truck Traffic5%
Lanes On Bridge2

Inspection & Ownership

Last InspectionDecember 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure NumberS00261029+06001

Nearby Bridges