Mountain Shadow LN over Big Thompson River

Good Condition49 years old5 vehicles/day

Location

StateColorado
CountyLarimer
Location25 Ft S Of US HWY 34
CarriesMountain Shadow LN
CrossesBig Thompson River
Coordinates40.42089, -105.35664

Condition Ratings

Overall ConditionGood
Deck8 (Very Good)
Superstructure8 (Very Good)
Substructure8 (Very Good)
Channel/Waterway8 (Very Good)
Scour Critical5 — Stable for scour

Physical Characteristics

MaterialPrestressed Concrete
DesignTee Beam
Total Length49.9 ft (15.2 m)
Max Span47.9 ft (14.6 m)
Deck Width12.1 ft (3.7 m)
Deck Area56.2 sq m
Main Spans1
Year Built1977

Traffic

Avg Daily Traffic5 (2023)
Lanes On Bridge1

Inspection & Ownership

Last Inspection623
Inspection FrequencyEvery 24 months
OwnerCounty Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure NumberLRB12-1748BTC

Nearby Bridges