US Bridges

I-25 Sbl over Wyo 96

Good

Converse County, Wyoming · Douglas - Casper · Structure no. MHK

Built
1958
67 years old
Condition
Good
inspected April 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
170 ft
3 main spans
Daily traffic
4,757
2024 count
Owner
State
State Highway Agency

About this bridge

I-25 Sbl over Wyo 96 is a steel continuous stringer/multi-beam or girder carrying I-25 Sbl over Wyo 96 in Converse 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 good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 4,757 vehicles a day, roughly 19% of them trucks, projected to reach 6,660 by 2043. The structure is 170 ft (51.8 m) long and 43 ft wide.

CarriesI-25 Sbl
CrossesWyo 96
LocationDouglas - Casper
RouteInterstate 25
StateWyoming
Coordinates42.78118, -105.51552
Functional classRural Principal Arterial - Interstate

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating57.9 US tons
Inventory rating44.3 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length170 ft (51.8 m)
Longest span78 ft (23.8 m)
Deck width43 ft (13.2 m)
Roadway width40 ft (12.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,757 (2024)
Projected traffic6,660 by 2043
Trucks19%
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 Wyo 96 built?

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

What condition is I-25 Sbl over Wyo 96 in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in April 2023.

How much traffic does I-25 Sbl over Wyo 96 carry?

About 4,757 vehicles per day (2024 count), of which roughly 19% are trucks.

How long is I-25 Sbl over Wyo 96?

The structure is 170 ft (51.8 m) long with a longest span of 78 ft (23.8 m) and a deck 43 ft wide.

Who owns I-25 Sbl over Wyo 96?

It is owned by the State Highway Agency.