US 287 Ml over Dry Creek

Fair Condition79 years old22,000 vehicles/day

Location

StateColorado
CountyBoulder
LocationKen Pratt Blvd-longmont
CarriesUS 287 Ml
CrossesDry Creek
Coordinates40.15224, -105.10343

Condition Ratings

Overall ConditionFair
Channel/Waterway7 (Good)
Culvert5 (Fair)
Scour Critical8 — Stable, low risk

Physical Characteristics

MaterialConcrete
DesignCulvert
Total Length21.0 ft (6.4 m)
Max Span9.8 ft (3 m)
Deck Width345.1 ft (105.2 m)
Deck Area673.3 sq m
Main Spans2
Year Built1947 (reconstructed 1970)

Traffic

Avg Daily Traffic22,000 (2020)
Truck Traffic5%
Lanes On Bridge12

Inspection & Ownership

Last Inspection823
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure NumberD-16-D

Nearby Bridges