Nf-6639 RD over Boulder River 041

Poor Condition93 years old157 vehicles/day

Location

StateMontana
CountyPark
Location35m S Springdale
CarriesNf-6639 RD
CrossesBoulder River 041
Coordinates45.28822, -110.24156

Condition Ratings

Overall ConditionPoor
Deck5 (Fair)
Superstructure6 (Satisfactory)
Substructure4 (Poor)
Channel/Waterway4 (Poor)
Scour Critical5 — Stable for scour

Physical Characteristics

MaterialSteel
DesignTruss - Thru
Total Length99.1 ft (30.2 m)
Max Span80.1 ft (24.4 m)
Deck Width13.1 ft (4 m)
Deck Area120.8 sq m
Main Spans1
Year Built1933

Traffic

Avg Daily Traffic157 (2023)
Truck Traffic17%
Lanes On Bridge1

Inspection & Ownership

Last Inspection924
Inspection FrequencyEvery 24 months
OwnerCounty Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure NumberL34210004+06001

Nearby Bridges