I 90 over Madison Road

Fair Condition63 years old9,762 vehicles/day

Location

StateMontana
CountyGallatin
Location3.1m E Three Forks
CarriesI 90
CrossesMadison Road
Coordinates45.89530, -111.49364

Condition Ratings

Overall ConditionFair
Deck7 (Good)
Superstructure6 (Satisfactory)
Substructure6 (Satisfactory)
Scour CriticalNot applicable

Physical Characteristics

MaterialPrestressed Concrete
DesignStringer/Multi-beam
Total Length128.0 ft (39 m)
Max Span40.0 ft (12.2 m)
Deck Width40.7 ft (12.4 m)
Deck Area483.6 sq m
Main Spans3
Year Built1963

Traffic

Avg Daily Traffic9,762 (2023)
Truck Traffic12%
Lanes On Bridge2
Lanes Under Bridge2

Inspection & Ownership

Last Inspection124
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure NumberI00090280+03611

Nearby Bridges

I 90 over Madison Road 0.0 mi Fair I 90 over Madison River Overflow 0.3 mi Fair I 90 over Madison River Overflow 0.3 mi Fair I 90 over Darlington Ditch 0.8 mi Fair I 90 over Darlington Ditch 0.8 mi Fair S 205-frontage RD over Mid Fork Madison River 1.0 mi Fair I 90 over Madison River-rr 1.5 mi Fair I 90 over Madison River-rr 1.5 mi Fair S 205-frontage RD over Madison River 1.6 mi Fair S 2 over E Three Forks Int I 90 2.0 mi Fair