I 90 over Abandoned Rr

Poor Condition57 years old8,575 vehicles/day

Location

StateMontana
CountyGallatin
LocationThree Forks
CarriesI 90
CrossesAbandoned Rr
Coordinates45.90449, -111.54168

Condition Ratings

Overall ConditionPoor
Deck7 (Good)
Superstructure7 (Good)
Substructure4 (Poor)
Scour CriticalNot applicable

Physical Characteristics

MaterialPrestressed Concrete
DesignStringer/Multi-beam
Total Length203.1 ft (61.9 m)
Max Span75.1 ft (22.9 m)
Deck Width41.0 ft (12.5 m)
Deck Area773.8 sq m
Main Spans3
Year Built1969

Traffic

Avg Daily Traffic8,575 (2023)
Truck Traffic14%
Lanes On Bridge2

Inspection & Ownership

Last Inspection124
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure NumberI00090277+09262

Nearby Bridges

I 90 over Abandoned Rr 0.0 mi Fair I 90 over Jefferson River Overflow 0.1 mi Fair I 90 over Jefferson River Overflow 0.1 mi Fair S 2 over E Three Forks Int I 90 0.4 mi Fair Old Town RD over Jefferson River 063 0.4 mi Poor I 90 over Jefferson River 0.5 mi Good I 90 over Jefferson River 0.5 mi Good Old Town RD over Jefferson River 004 0.7 mi Poor S 205-frontage RD over Madison River 0.8 mi Fair I 90 over Madison River-rr 0.9 mi Fair