I 90 WB over Abandoned Railroad

Fair Condition62 years old6,216 vehicles/day

Location

StateMontana
CountyMissoula
Location0.6m E Bonner
CarriesI 90 WB
CrossesAbandoned Railroad
Coordinates46.86581, -113.87385

Condition Ratings

Overall ConditionFair
Deck6 (Satisfactory)
Superstructure8 (Very Good)
Substructure7 (Good)
Scour CriticalNot applicable

Physical Characteristics

MaterialPrestressed Concrete
DesignStringer/Multi-beam
Total Length152.9 ft (46.6 m)
Max Span51.8 ft (15.8 m)
Deck Width40.0 ft (12.2 m)
Deck Area568.5 sq m
Main Spans3
Year Built1964

Traffic

Avg Daily Traffic6,216 (2023)
Truck Traffic19%
Lanes On Bridge2

Inspection & Ownership

Last Inspection624
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure NumberI00090110+09392

Nearby Bridges

I 90 over Abandoned Railroad 0.0 mi Fair S 210 over Mrl Spur (not In Use) 0.1 mi Fair S 200 over Blackfoot River 0.7 mi Fair I 90 WB over Sep Rustic Road 0.7 mi Fair I 90 EB over Sep Rustic Road 0.7 mi Fair I 90 over Black Foot River 0.7 mi Good I 90 over Blackfoot River 0.7 mi Good I 90 over Rr 0.9 mi Fair I 90 over Rr 0.9 mi Fair S 200 over Int Bonner I 90 1.2 mi Fair