US Bridges

I-80 Wbl over Monument Road

Fair

Albany County, Wyoming · Laramie - Cheyenne · Structure no. AXX

Built
1965
60 years old
Condition
Fair
inspected March 2024
Type
Slab
Concrete Continuous
Length
84 ft
3 main spans
Daily traffic
6,965
2024 count
Owner
State
State Highway Agency

About this bridge

I-80 Wbl over Monument Road is a concrete continuous slab carrying I-80 Wbl over Monument Road in Albany County, Wyoming. It was built in 1965, so it is 60 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 6,965 vehicles a day, roughly 52% of them trucks, projected to reach 9,751 by 2043. The structure is 84 ft (25.6 m) long and 41 ft wide.

Location

Open in Google Maps
CarriesI-80 Wbl
CrossesMonument Road
LocationLaramie - Cheyenne
RouteInterstate 80
CountyAlbany County
StateWyoming
Coordinates41.15807, -105.40311
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating54.5 US tons
Inventory rating32.4 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length84 ft (25.6 m)
Longest span35 ft (10.7 m)
Deck width41 ft (12.5 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic6,965 (2024)
Projected traffic9,751 by 2043
Trucks52%
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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost$8,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-80 Wbl over Monument Road built?

It was built in 1965, making it 60 years old in 2025.

What condition is I-80 Wbl over Monument 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 March 2024.

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

About 6,965 vehicles per day (2024 count), of which roughly 52% are trucks.

How long is I-80 Wbl over Monument Road?

The structure is 84 ft (25.6 m) long with a longest span of 35 ft (10.7 m) and a deck 41 ft wide.

Who owns I-80 Wbl over Monument Road?

It is owned by the State Highway Agency.