US Bridges

I-90 Ebl over Butler Speath Road

Fair

Campbell County, Wyoming · Gillette Marginal · Structure no. CYM

Built
1971
54 years old
Condition
Fair
inspected May 2023
Type
Tee Beam
Concrete Continuous
Length
151 ft
3 main spans
Daily traffic
4,753
2024 count
Owner
State
State Highway Agency

About this bridge

I-90 Ebl over Butler Speath Road is a concrete continuous tee beam carrying I-90 Ebl over Butler Speath Road in Campbell County, Wyoming. It was built in 1971, so it is 54 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 4,753 vehicles a day, roughly 10% of them trucks, projected to reach 6,654 by 2043. The structure is 151 ft (46 m) long and 45 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesI-90 Ebl
CrossesButler Speath Road
LocationGillette Marginal
RouteInterstate 90
CountyCampbell County
StateWyoming
Coordinates44.27974, -105.47912
Functional classUrban 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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.1 US tons
Inventory rating35.6 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length151 ft (46 m)
Longest span59 ft (18 m)
Deck width45 ft (13.6 m)
Roadway width42 ft (12.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,753 (2024)
Projected traffic6,654 by 2043
Trucks10%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-90 Ebl over Butler Speath Road built?

It was built in 1971, making it 54 years old in 2025.

What condition is I-90 Ebl over Butler Speath Road 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 over Butler Speath Road carry?

About 4,753 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is I-90 Ebl over Butler Speath Road?

The structure is 151 ft (46 m) long with a longest span of 59 ft (18 m) and a deck 45 ft wide.

Who owns I-90 Ebl over Butler Speath Road?

It is owned by the State Highway Agency.