US Bridges

I-90 Wbl over BNSF Railway

Fair

Sheridan County, Wyoming · Montana Line - Sheridan · Structure no. BAY

Built
1960
65 years old, rebuilt 2003
Condition
Fair
inspected August 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
215 ft
3 main spans
Daily traffic
3,925
2024 count
Owner
State
State Highway Agency

About this bridge

I-90 Wbl over BNSF Railway is a steel continuous stringer/multi-beam or girder carrying I-90 Wbl over BNSF Railway in Sheridan County, Wyoming. It was built in 1960 and reconstructed in 2003, so it is 65 years old, older than the Wyoming average of 48.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 3,925 vehicles a day, roughly 22% of them trucks, projected to reach 5,495 by 2043. The structure is 215 ft (65.5 m) long and 43 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesI-90 Wbl
CrossesBNSF Railway
LocationMontana Line - Sheridan
RouteInterstate 90
CountySheridan County
StateWyoming
Coordinates44.90179, -107.02239
Functional classRural Principal Arterial - Interstate

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59 US tons
Inventory rating35.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length215 ft (65.5 m)
Longest span80 ft (24.4 m)
Deck width43 ft (13.2 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,925 (2024)
Projected traffic5,495 by 2043
Trucks22%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesRailroad
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-90 Wbl over BNSF Railway built?

It was built in 1960, making it 65 years old in 2025. It was reconstructed in 2003.

What condition is I-90 Wbl over BNSF Railway in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in August 2023.

How much traffic does I-90 Wbl over BNSF Railway carry?

About 3,925 vehicles per day (2024 count), of which roughly 22% are trucks.

How long is I-90 Wbl over BNSF Railway?

The structure is 215 ft (65.5 m) long with a longest span of 80 ft (24.4 m) and a deck 43 ft wide.

Who owns I-90 Wbl over BNSF Railway?

It is owned by the State Highway Agency.