US Bridges

I-90 Ebl and Wbl over Unnamed Draw

Fair

Campbell County, Wyoming · Gillette - Moorcroft · Structure no. DBC

Built
1976
49 years old
Condition
Fair
inspected May 2023
Type
Culvert
Concrete Continuous
Length
24 ft
2 main spans
Daily traffic
3,589
2024 count
Owner
State
State Highway Agency

About this bridge

I-90 Ebl and Wbl over Unnamed Draw is a concrete continuous culvert carrying I-90 Ebl and Wbl over Unnamed Draw in Campbell County, Wyoming. It was built in 1976, so it is 49 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 5 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 3,589 vehicles a day, roughly 21% of them trucks, projected to reach 5,025 by 2043. The structure is 24 ft (7.3 m) long. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesI-90 Ebl and Wbl
CrossesUnnamed Draw
LocationGillette - Moorcroft
RouteInterstate 90
CountyCampbell County
StateWyoming
Coordinates44.29565, -105.31651
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.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
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 length24 ft (7.3 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 traffic3,589 (2024)
Projected traffic5,025 by 2043
Trucks21%
Lanes on structure4
Traffic directionTwo-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 statusNot eligible for the National Register of Historic Places
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$10,000
NavigationNo navigation control on waterway

Frequently asked questions

When was I-90 Ebl and Wbl over Unnamed Draw built?

It was built in 1976, making it 49 years old in 2025.

What condition is I-90 Ebl and Wbl over Unnamed Draw 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 May 2023.

How much traffic does I-90 Ebl and Wbl over Unnamed Draw carry?

About 3,589 vehicles per day (2024 count), of which roughly 21% are trucks.

How long is I-90 Ebl and Wbl over Unnamed Draw?

The structure is 24 ft (7.3 m) long with a longest span of 12 ft (3.7 m).

Who owns I-90 Ebl and Wbl over Unnamed Draw?

It is owned by the State Highway Agency.