US 287 Ml over Big Thompson River

Fair Condition76 years old18,000 vehicles/day

Location

StateColorado
CountyLarimer
Location0.4 Mi N Of Jct SH 402
CarriesUS 287 Ml
CrossesBig Thompson River
Coordinates40.38315, -105.07324

Condition Ratings

Overall ConditionFair
Deck6 (Satisfactory)
Superstructure6 (Satisfactory)
Substructure5 (Fair)
Channel/Waterway6 (Satisfactory)
Scour Critical5 — Stable for scour

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length103.3 ft (31.5 m)
Max Span38.1 ft (11.6 m)
Deck Width100.4 ft (30.6 m)
Deck Area963.9 sq m
Main Spans3
Year Built1950 (reconstructed 1975)

Traffic

Avg Daily Traffic18,000 (2020)
Truck Traffic5%
Lanes On Bridge5

Inspection & Ownership

Last Inspection923
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure NumberC-16-H

Nearby Bridges