US Bridges

I-90 Ebl over Arch Creek

Fair

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

Built
1963
62 years old
Condition
Fair
inspected June 2023
Type
Slab
Concrete Continuous
Length
94 ft
3 main spans
Daily traffic
1,447
2024 count
Owner
State
State Highway Agency

About this bridge

I-90 Ebl over Arch Creek is a concrete continuous slab carrying I-90 Ebl over Arch Creek in Crook County, Wyoming. It was built in 1963, so it is 62 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 94 ft (28.5 m) long and 41 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesI-90 Ebl
CrossesArch Creek
LocationMoorcroft - Sundance
RouteInterstate 90
CountyCrook County
StateWyoming
Coordinates44.29071, -104.6505
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 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
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating52.9 US tons
Inventory rating31.7 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length94 ft (28.5 m)
Longest span35 ft (10.7 m)
Deck width41 ft (12.5 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,447 (2024)
Projected traffic2,026 by 2043
Trucks44%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$200,000
NavigationNo navigation control on waterway

Frequently asked questions

When was I-90 Ebl over Arch Creek built?

It was built in 1963, making it 62 years old in 2025.

What condition is I-90 Ebl over Arch 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 over Arch Creek carry?

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

How long is I-90 Ebl over Arch Creek?

The structure is 94 ft (28.5 m) long with a longest span of 35 ft (10.7 m) and a deck 41 ft wide.

Who owns I-90 Ebl over Arch Creek?

It is owned by the State Highway Agency.