US Bridges

I-25 Sbl over Crow Creek

Fair

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

Built
1958
67 years old
Condition
Fair
inspected April 2023
Type
Slab
Concrete Continuous
Length
128 ft
5 main spans
Daily traffic
10,864
2024 count
Owner
State
State Highway Agency

About this bridge

I-25 Sbl over Crow Creek is a concrete continuous slab carrying I-25 Sbl over Crow Creek in Laramie County, Wyoming. It was built in 1958, so it is 67 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 10,864 vehicles a day, roughly 11% of them trucks, projected to reach 15,210 by 2043. The structure is 128 ft (39 m) long and 45 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesI-25 Sbl
CrossesCrow Creek
LocationCheyenne Marginal
RouteInterstate 25
CountyLaramie County
StateWyoming
Coordinates41.1337, -104.84137
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.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating68.8 US tons
Inventory rating41 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20 + Mod
Structure length128 ft (39 m)
Longest span27 ft (8.2 m)
Deck width45 ft (13.7 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,864 (2024)
Projected traffic15,210 by 2043
Trucks11%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was I-25 Sbl over Crow Creek built?

It was built in 1958, making it 67 years old in 2025.

What condition is I-25 Sbl over Crow Creek 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-25 Sbl over Crow Creek carry?

About 10,864 vehicles per day (2024 count), of which roughly 11% are trucks.

How long is I-25 Sbl over Crow Creek?

The structure is 128 ft (39 m) long with a longest span of 27 ft (8.2 m) and a deck 45 ft wide.

Who owns I-25 Sbl over Crow Creek?

It is owned by the State Highway Agency.