US Bridges

I-90 Wbl over Well Creek

Fair

Crook County, Wyoming · Gillette - Moorcroft · Structure no. BGJ

Built
1969
56 years old
Condition
Fair
inspected June 2023
Type
Tee Beam
Concrete Continuous
Length
89 ft
3 main spans
Daily traffic
3,214
2024 count
Owner
State
State Highway Agency

About this bridge

I-90 Wbl over Well Creek is a concrete continuous tee beam carrying I-90 Wbl over Well Creek in Crook County, Wyoming. It was built in 1969, so it is 56 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 3,214 vehicles a day, roughly 17% of them trucks, projected to reach 4,500 by 2043. The structure is 89 ft (27.1 m) long and 43 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI-90 Wbl
CrossesWell Creek
LocationGillette - Moorcroft
RouteInterstate 90
StateWyoming
Coordinates44.28583, -105.08148
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.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
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 geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating54.3 US tons
Inventory rating32.7 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length89 ft (27.1 m)
Longest span34 ft (10.4 m)
Deck width43 ft (13 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,214 (2024)
Projected traffic4,500 by 2043
Trucks17%
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was I-90 Wbl over Well Creek built?

It was built in 1969, making it 56 years old in 2025.

What condition is I-90 Wbl over Well 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 Wbl over Well Creek carry?

About 3,214 vehicles per day (2024 count), of which roughly 17% are trucks.

How long is I-90 Wbl over Well Creek?

The structure is 89 ft (27.1 m) long with a longest span of 34 ft (10.4 m) and a deck 43 ft wide.

Who owns I-90 Wbl over Well Creek?

It is owned by the State Highway Agency.