US Bridges

I-90 Ebl and Wbl over Mule Creek

Fair

Crook County, Wyoming · Moorcroft - Sundance · Structure no. BHN

Built
1962
63 years old
Condition
Fair
inspected June 2023
Type
Culvert
Concrete Continuous
Length
25 ft
2 main spans
Daily traffic
1,447
2024 count
Owner
State
State Highway Agency

About this bridge

I-90 Ebl and Wbl over Mule Creek is a concrete continuous culvert carrying I-90 Ebl and Wbl over Mule Creek in Crook County, Wyoming. It was built in 1962, so it is 63 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 1,447 vehicles a day, roughly 44% of them trucks, projected to reach 2,026 by 2043. The structure is 25 ft (7.6 m) long. If it were closed, the detour would be 14.9 mi (24 km).

Location

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CarriesI-90 Ebl and Wbl
CrossesMule Creek
LocationMoorcroft - Sundance
RouteInterstate 90
CountyCrook County
StateWyoming
Coordinates44.28087, -104.74615
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 20 + Mod
Structure length25 ft (7.6 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,447 (2024)
Projected traffic2,026 by 2043
Trucks44%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.9 mi (24 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 statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was I-90 Ebl and Wbl over Mule Creek built?

It was built in 1962, making it 63 years old in 2025.

What condition is I-90 Ebl and Wbl over Mule Creek 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 June 2023.

How much traffic does I-90 Ebl and Wbl over Mule Creek carry?

About 1,447 vehicles per day (2024 count), of which roughly 44% are trucks.

How long is I-90 Ebl and Wbl over Mule Creek?

The structure is 25 ft (7.6 m) long with a longest span of 12 ft (3.7 m).

Who owns I-90 Ebl and Wbl over Mule Creek?

It is owned by the State Highway Agency.