US Bridges

I-25 Sbl over Middle Bear Intg

Good

Platte County, Wyoming · Wheatland - Glendo · Structure no. AFE

Built
1961
64 years old
Condition
Good
inspected March 2023
Type
Slab
Concrete Continuous
Length
93 ft
3 main spans
Daily traffic
3,379
2024 count
Owner
State
State Highway Agency

About this bridge

I-25 Sbl over Middle Bear Intg is a concrete continuous slab carrying I-25 Sbl over Middle Bear Intg in Platte County, Wyoming. It was built in 1961, so it is 64 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 3,379 vehicles a day, roughly 26% of them trucks, projected to reach 4,731 by 2043. The structure is 93 ft (28.4 m) long and 41 ft wide.

CarriesI-25 Sbl
CrossesMiddle Bear Intg
LocationWheatland - Glendo
RouteInterstate 25
StateWyoming
Coordinates42.39594, -105.04426
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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionMarch 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 rating60.5 US tons
Inventory rating36.4 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length93 ft (28.4 m)
Longest span35 ft (10.7 m)
Deck width41 ft (12.5 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,379 (2024)
Projected traffic4,731 by 2043
Trucks26%
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 Middle Bear Intg built?

It was built in 1961, making it 64 years old in 2025.

What condition is I-25 Sbl over Middle Bear Intg 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 March 2023.

How much traffic does I-25 Sbl over Middle Bear Intg carry?

About 3,379 vehicles per day (2024 count), of which roughly 26% are trucks.

How long is I-25 Sbl over Middle Bear Intg?

The structure is 93 ft (28.4 m) long with a longest span of 35 ft (10.7 m) and a deck 41 ft wide.

Who owns I-25 Sbl over Middle Bear Intg?

It is owned by the State Highway Agency.