I 90 over Sep Airway BLVD

Good Condition29 years old12,090 vehicles/day

Location

StateMontana
CountyMissoula
LocationAirport Interchange
CarriesI 90
CrossesSep Airway BLVD
Coordinates46.92344, -114.06806

Condition Ratings

Overall ConditionGood
Deck7 (Good)
Superstructure7 (Good)
Substructure7 (Good)
Scour CriticalNot applicable

Physical Characteristics

MaterialPrestressed Concrete
DesignStringer/Multi-beam
Total Length154.9 ft (47.2 m)
Max Span74.1 ft (22.6 m)
Deck Width40.0 ft (12.2 m)
Deck Area575.8 sq m
Main Spans3
Year Built1997

Traffic

Avg Daily Traffic12,090 (2023)
Truck Traffic10%
Lanes On Bridge2
Lanes Under Bridge2

Inspection & Ownership

Last InspectionDecember 2023
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure NumberI00090099+09352

Nearby Bridges

I 90 over Sep Airway BLVD 0.0 mi Good I 90 over Sep Butler Creek Road 1.5 mi Fair I 90 over Sep Butler Creek Road 1.5 mi Fair International DR over Grant Creek 005 1.7 mi Fair I 90 over Grant Creek 1.7 mi Good Expressway RD over Grant Creek 003 1.7 mi Fair Expo PKWY over Grant Creek 117 1.7 mi Fair I 90 over Int Reserve Street 1.7 mi Poor I 90 over Int Reserve Street 1.7 mi Fair Prospect DR over Grant Creek 001 1.7 mi Good