US Bridges

I-25 Sbl over Wardwell Road Intg

FairPosted for load

Natrona County, Wyoming · Casper Marginal · Structure no. AIT

Built
1964
61 years old
Condition
Fair
inspected April 2023
Type
Slab
Concrete Continuous
Length
84 ft
3 main spans
Daily traffic
3,548
2024 count
Owner
State
State Highway Agency

About this bridge

I-25 Sbl over Wardwell Road Intg is a concrete continuous slab carrying I-25 Sbl over Wardwell Road Intg in Natrona County, Wyoming. It was built in 1964, so it is 61 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. Its operating status is: posted for load restriction.

It carries about 3,548 vehicles a day, roughly 21% of them trucks, projected to reach 4,967 by 2043. The structure is 84 ft (25.6 m) long and 42 ft wide.

Location

Open in Google Maps
CarriesI-25 Sbl
CrossesWardwell Road Intg
LocationCasper Marginal
RouteInterstate 25
CountyNatrona County
StateWyoming
Coordinates42.89786, -106.34028
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating40 US tons
Inventory rating23.8 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 width42 ft (12.7 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,548 (2024)
Projected traffic4,967 by 2043
Trucks21%
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-25 Sbl over Wardwell Road Intg built?

It was built in 1964, making it 61 years old in 2025.

What condition is I-25 Sbl over Wardwell Road Intg 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 Wardwell Road Intg carry?

About 3,548 vehicles per day (2024 count), of which roughly 21% are trucks.

How long is I-25 Sbl over Wardwell Road Intg?

The structure is 84 ft (25.6 m) long with a longest span of 35 ft (10.7 m) and a deck 42 ft wide.

Who owns I-25 Sbl over Wardwell Road Intg?

It is owned by the State Highway Agency.