US Bridges

I-90 Wbl over Middle Fork Shell Creek

Good

Johnson County, Wyoming · Sheridan - Buffalo · Structure no. LIB

Built
2001
24 years old
Condition
Good
inspected February 2024
Type
Culvert
Steel
Length
27 ft
2 main spans
Daily traffic
3,705
2024 count
Owner
State
State Highway Agency

About this bridge

I-90 Wbl over Middle Fork Shell Creek is a steel culvert carrying I-90 Wbl over Middle Fork Shell Creek in Johnson County, Wyoming. It was built in 2001, so it is 24 years old, younger than the Wyoming average of 48.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 3,705 vehicles a day, roughly 18% of them trucks, projected to reach 5,187 by 2043. The structure is 27 ft (8.2 m) long. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI-90 Wbl
CrossesMiddle Fork Shell Creek
LocationSheridan - Buffalo
RouteInterstate 90
StateWyoming
Coordinates44.49175, -106.80214
Functional classRural Principal Arterial - Interstate

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert8 Very GoodNo problems noted.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable 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
MaterialSteel
DeckNot applicable
Main spans2
Design loadHS 20
Structure length27 ft (8.2 m)
Longest span11 ft (3.5 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,705 (2024)
Projected traffic5,187 by 2043
Trucks18%
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 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 Wbl over Middle Fork Shell Creek built?

It was built in 2001, making it 24 years old in 2025.

What condition is I-90 Wbl over Middle Fork Shell Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in February 2024.

How much traffic does I-90 Wbl over Middle Fork Shell Creek carry?

About 3,705 vehicles per day (2024 count), of which roughly 18% are trucks.

How long is I-90 Wbl over Middle Fork Shell Creek?

The structure is 27 ft (8.2 m) long with a longest span of 11 ft (3.5 m).

Who owns I-90 Wbl over Middle Fork Shell Creek?

It is owned by the State Highway Agency.