US Bridges

I-90 Wbl over Wyo 336 (5th Street)

Fair

Sheridan County, Wyoming · Sheridan Marginal · Structure no. KKZ

Built
1995
30 years old
Condition
Fair
inspected August 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
152 ft
3 main spans
Daily traffic
5,248
2024 count
Owner
State
State Highway Agency

About this bridge

I-90 Wbl over Wyo 336 (5th Street) is a steel continuous stringer/multi-beam or girder carrying I-90 Wbl over Wyo 336 (5th Street) in Sheridan County, Wyoming. It was built in 1995, so it is 30 years old, younger 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 5,248 vehicles a day, roughly 17% of them trucks, projected to reach 7,347 by 2043. The structure is 152 ft (46.3 m) long and 45 ft wide.

CarriesI-90 Wbl
CrossesWyo 336 (5th Street)
LocationSheridan Marginal
RouteInterstate 90
StateWyoming
Coordinates44.80496, -106.93666
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating83.1 US tons
Inventory rating48.9 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 25 or greater
Structure length152 ft (46.3 m)
Longest span94 ft (28.7 m)
Deck width45 ft (13.6 m)
Roadway width42 ft (12.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,248 (2024)
Projected traffic7,347 by 2043
Trucks17%
Lanes on structure2
Traffic directionOne-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed—
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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-90 Wbl over Wyo 336 (5th Street) built?

It was built in 1995, making it 30 years old in 2025.

What condition is I-90 Wbl over Wyo 336 (5th Street) 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 August 2023.

How much traffic does I-90 Wbl over Wyo 336 (5th Street) carry?

About 5,248 vehicles per day (2024 count), of which roughly 17% are trucks.

How long is I-90 Wbl over Wyo 336 (5th Street)?

The structure is 152 ft (46.3 m) long with a longest span of 94 ft (28.7 m) and a deck 45 ft wide.

Who owns I-90 Wbl over Wyo 336 (5th Street)?

It is owned by the State Highway Agency.