US Bridges

I-80 Wbl over Warren Road

Poor

Laramie County, Wyoming · Laramie - Cheyenne · Structure no. AYI

Built
1959
66 years old
Condition
Poor
inspected March 2024
Type
Slab
Concrete Continuous
Length
90 ft
3 main spans
Daily traffic
7,331
2024 count
Owner
State
State Highway Agency

About this bridge

I-80 Wbl over Warren Road is a concrete continuous slab carrying I-80 Wbl over Warren Road in Laramie County, Wyoming. It was built in 1959, so it is 66 years old, older than the Wyoming average of 48.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 7,331 vehicles a day, roughly 49% of them trucks, projected to reach 10,263 by 2043. The structure is 90 ft (27.3 m) long and 41 ft wide.

CarriesI-80 Wbl
CrossesWarren Road
LocationLaramie - Cheyenne
RouteInterstate 80
StateWyoming
Coordinates41.0984, -105.1161
Functional classRural Principal Arterial - Interstate

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating49.3 US tons
Inventory rating29.5 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length90 ft (27.3 m)
Longest span32 ft (9.9 m)
Deck width41 ft (12.5 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,331 (2024)
Projected traffic10,263 by 2043
Trucks49%
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 statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-80 Wbl over Warren Road built?

It was built in 1959, making it 66 years old in 2025.

What condition is I-80 Wbl over Warren Road in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in March 2024.

How much traffic does I-80 Wbl over Warren Road carry?

About 7,331 vehicles per day (2024 count), of which roughly 49% are trucks.

How long is I-80 Wbl over Warren Road?

The structure is 90 ft (27.3 m) long with a longest span of 32 ft (9.9 m) and a deck 41 ft wide.

Who owns I-80 Wbl over Warren Road?

It is owned by the State Highway Agency.