S 84-norris RD over Gallatin River

Fair Condition39 years old10,845 vehicles/day

Location

StateMontana
CountyGallatin
Location7m W Bozeman
CarriesS 84-norris RD
CrossesGallatin River
Coordinates45.67188, -111.20906

Condition Ratings

Overall ConditionFair
Deck6 (Satisfactory)
Superstructure8 (Very Good)
Substructure6 (Satisfactory)
Channel/Waterway6 (Satisfactory)
Scour Critical5 — Stable for scour

Physical Characteristics

MaterialPrestressed Concrete
DesignStringer/Multi-beam
Total Length151.9 ft (46.3 m)
Max Span75.8 ft (23.1 m)
Deck Width41.3 ft (12.6 m)
Deck Area583.4 sq m
Main Spans2
Year Built1987

Traffic

Avg Daily Traffic10,845 (2023)
Truck Traffic1%
Lanes On Bridge2

Inspection & Ownership

Last Inspection823
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure NumberP00084027+09401

Nearby Bridges