Ennis Lake RD over Madison River 032

Fair Condition36 years old318 vehicles/day

Location

StateMontana
CountyMadison
Location4m E Mcallister
CarriesEnnis Lake RD
CrossesMadison River 032
Coordinates45.45111, -111.65768

Condition Ratings

Overall ConditionFair
Deck6 (Satisfactory)
Superstructure7 (Good)
Substructure6 (Satisfactory)
Channel/Waterway7 (Good)
Scour Critical8 — Stable, low risk

Physical Characteristics

MaterialPrestressed Concrete
DesignStringer/Multi-beam
Total Length317.9 ft (96.9 m)
Max Span75.5 ft (23 m)
Deck Width25.9 ft (7.9 m)
Deck Area765.5 sq m
Main Spans5
Year Built1990

Traffic

Avg Daily Traffic318 (2023)
Truck Traffic3%
Lanes On Bridge2

Inspection & Ownership

Last Inspection324
Inspection FrequencyEvery 24 months
OwnerCounty Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure NumberL29122004+01001