I 90 over Yellowstone River

Fair Condition50 years old5,423 vehicles/day

Location

StateMontana
CountyStillwater
Location5.6m E Reed Point
CarriesI 90
CrossesYellowstone River
Coordinates45.68266, -109.43200

Condition Ratings

Overall ConditionFair
Deck7 (Good)
Superstructure7 (Good)
Substructure6 (Satisfactory)
Channel/Waterway6 (Satisfactory)
Scour Critical5 — Stable for scour

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length577.8 ft (176.1 m)
Max Span165.0 ft (50.3 m)
Deck Width44.0 ft (13.4 m)
Deck Area2359.7 sq m
Main Spans4
Year Built1976

Traffic

Avg Daily Traffic5,423 (2023)
Truck Traffic20%
Lanes On Bridge2

Inspection & Ownership

Last Inspection823
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure NumberI00090398+00812

Nearby Bridges

I 90 over Yellowstone River 0.0 mi Fair I 90 over Rr 0.4 mi Fair I 90 over Rr 0.4 mi Fair I 90 over Int Exit 396 1.0 mi Fair Old US 10 over Coulee Creek 023 1.6 mi Fair Old US 10 over Berry Creek 024 2.2 mi Fair I 90 over Berry Creek 2.2 mi Good I 90 over Berry Creek 2.2 mi Good I 90 over Int Springtime 2.4 mi Fair I 90 over Int Springtime 2.4 mi Fair