E Riggs ST over Prickly Pear Creek 083

Good Condition44 years old316 vehicles/day

Location

StateMontana
CountyLewis and Clark
LocationEast Helena-e Riggs ST
CarriesE Riggs ST
CrossesPrickly Pear Creek 083
Coordinates46.59036, -111.92109

Condition Ratings

Overall ConditionGood
Deck7 (Good)
Superstructure8 (Very Good)
Substructure7 (Good)
Channel/Waterway8 (Very Good)
Scour Critical8 — Stable, low risk

Physical Characteristics

MaterialPrestressed Concrete
DesignTee Beam
Total Length57.1 ft (17.4 m)
Max Span55.1 ft (16.8 m)
Deck Width42.3 ft (12.9 m)
Deck Area224.5 sq m
Main Spans1
Year Built1982

Traffic

Avg Daily Traffic316 (2023)
Truck Traffic3%
Lanes On Bridge2

Inspection & Ownership

Last Inspection323
Inspection FrequencyEvery 24 months
OwnerCity/Municipal Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure NumberM25037000+00201

Nearby Bridges