Sierra Road E over Prickly Pear Creek 077

Fair Condition28 years old623 vehicles/day

Location

StateMontana
CountyLewis and Clark
Location5m NE Helena
CarriesSierra Road E
CrossesPrickly Pear Creek 077
Coordinates46.66076, -111.97547

Condition Ratings

Overall ConditionFair
Deck7 (Good)
Superstructure8 (Very Good)
Substructure6 (Satisfactory)
Channel/Waterway7 (Good)
Scour Critical8 — Stable, low risk

Physical Characteristics

MaterialPrestressed Concrete
DesignTee Beam
Total Length71.9 ft (21.9 m)
Max Span71.9 ft (21.9 m)
Deck Width25.9 ft (7.9 m)
Deck Area173.0 sq m
Main Spans1
Year Built1998

Traffic

Avg Daily Traffic623 (2023)
Truck Traffic1%
Lanes On Bridge2

Inspection & Ownership

Last Inspection823
Inspection FrequencyEvery 24 months
OwnerCounty Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure NumberL25104002+02001

Nearby Bridges