Nixon Gulch Road over Gallatin River

Good Condition6 years old100 vehicles/day

Location

StateMontana
CountyGallatin
Location2m NE Manhattan
CarriesNixon Gulch Road
CrossesGallatin River
Coordinates45.89160, -111.33677

Condition Ratings

Overall ConditionGood
Deck7 (Good)
Superstructure7 (Good)
Substructure7 (Good)
Channel/Waterway6 (Satisfactory)
Scour Critical8 — Stable, low risk

Physical Characteristics

MaterialPrestressed Concrete
DesignTee Beam
Total Length254.6 ft (77.6 m)
Max Span124.7 ft (38 m)
Deck Width32.5 ft (9.9 m)
Deck Area768.2 sq m
Main Spans2
Year Built2020

Traffic

Avg Daily Traffic100 (2025)
Truck Traffic3%
Lanes On Bridge2

Inspection & Ownership

Last InspectionDecember 2024
Inspection FrequencyEvery 24 months
OwnerCounty Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure Number000000202002986

Nearby Bridges