C. R. 41 (63rd St) over St. Vrain Creek

Fair Condition35 years old134 vehicles/day

Location

StateColorado
CountyBoulder
Location0.5 Miles North Of County
CarriesC. R. 41 (63rd St)
CrossesSt. Vrain Creek
Coordinates40.19599, -105.20786

Condition Ratings

Overall ConditionFair
Deck7 (Good)
Superstructure6 (Satisfactory)
Substructure6 (Satisfactory)
Channel/Waterway7 (Good)
Scour Critical5 — Stable for scour

Physical Characteristics

MaterialPrestressed Concrete
DesignBox Beam - Single/Spread
Total Length59.1 ft (18 m)
Max Span53.8 ft (16.4 m)
Deck Width34.4 ft (10.5 m)
Deck Area189 sq m
Main Spans1
Year Built1991

Traffic

Avg Daily Traffic134 (2023)
Truck Traffic6%
Lanes On Bridge2

Inspection & Ownership

Last Inspection125
Inspection FrequencyEvery 24 months
OwnerCounty Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure NumberBC-41-1.4-SV1

Nearby Bridges