Frontage Rd-s 205 over Gallatin River

Fair Condition77 years old3,038 vehicles/day

Location

StateMontana
CountyGallatin
Location3m SE Manhattan
CarriesFrontage Rd-s 205
CrossesGallatin River
Coordinates45.82503, -111.27167

Condition Ratings

Overall ConditionFair
Deck5 (Fair)
Superstructure6 (Satisfactory)
Substructure5 (Fair)
Channel/Waterway6 (Satisfactory)
Scour Critical7 — Countermeasures installed

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length252.0 ft (76.8 m)
Max Span95.1 ft (29 m)
Deck Width32.2 ft (9.8 m)
Deck Area752.6 sq m
Main Spans3
Year Built1949

Traffic

Avg Daily Traffic3,038 (2023)
Truck Traffic1%
Lanes On Bridge2

Inspection & Ownership

Last Inspection424
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure NumberS00205014+05181

Nearby Bridges