Old Town RD over Jefferson River 063

Poor Condition132 years old100 vehicles/day

Location

StateMontana
CountyGallatin
Location2m N Three Forks
CarriesOld Town RD
CrossesJefferson River 063
Coordinates45.91055, -111.53834

Condition Ratings

Overall ConditionPoor
Deck6 (Satisfactory)
Superstructure3 (Serious)
Substructure5 (Fair)
Channel/Waterway7 (Good)
Scour Critical3 — Scour critical

Physical Characteristics

MaterialSteel
DesignTruss - Thru
Total Length155.8 ft (47.5 m)
Max Span109.9 ft (33.5 m)
Deck Width15.7 ft (4.8 m)
Deck Area228 sq m
Main Spans1
Year Built1894 (reconstructed 1984)

Traffic

Avg Daily Traffic100 (2025)
Truck Traffic3%
Lanes On Bridge1

Inspection & Ownership

Last Inspection624
Inspection FrequencyEvery 24 months
OwnerCounty Highway Agency
Historical SignificanceBridge is eligible for the National Register
Structure NumberL16201000+07001

Nearby Bridges