US Bridges

I-80 Wbl over Morrie Avenue

Fair

Laramie County, Wyoming · Cheyenne Marginal · Structure no. CBG

Built
1973
52 years old
Condition
Fair
inspected April 2023
Type
Frame
Steel Continuous
Length
164 ft
3 main spans
Daily traffic
11,409
2024 count
Owner
State
State Highway Agency

About this bridge

I-80 Wbl over Morrie Avenue is a steel continuous frame carrying I-80 Wbl over Morrie Avenue in Laramie County, Wyoming. It was built in 1973, so it is 52 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 11,409 vehicles a day, roughly 31% of them trucks, projected to reach 15,973 by 2043. The structure is 164 ft (50 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-80 Wbl
CrossesMorrie Avenue
LocationCheyenne Marginal
RouteInterstate 80
CountyLaramie County
StateWyoming
Coordinates41.12071, -104.7938
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 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 rating58 US tons
Inventory rating34.6 US tons

Structure

Structure typeFrame
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length164 ft (50 m)
Longest span63 ft (19.2 m)
Deck width45 ft (13.6 m)
Roadway width42 ft (12.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,409 (2024)
Projected traffic15,973 by 2043
Trucks31%
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-80 Wbl over Morrie Avenue built?

It was built in 1973, making it 52 years old in 2025.

What condition is I-80 Wbl over Morrie Avenue 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 April 2023.

How much traffic does I-80 Wbl over Morrie Avenue carry?

About 11,409 vehicles per day (2024 count), of which roughly 31% are trucks.

How long is I-80 Wbl over Morrie Avenue?

The structure is 164 ft (50 m) long with a longest span of 63 ft (19.2 m) and a deck 45 ft wide.

Who owns I-80 Wbl over Morrie Avenue?

It is owned by the State Highway Agency.