US Bridges

I-25 Sbl over Wyo 211

Good

Platte County, Wyoming · Chugwater Marginal · Structure no. ADC

Built
1968
57 years old
Condition
Good
inspected April 2024
Type
Tee Beam
Concrete Continuous
Length
146 ft
3 main spans
Daily traffic
3,404
2024 count
Owner
State
State Highway Agency

About this bridge

I-25 Sbl over Wyo 211 is a concrete continuous tee beam carrying I-25 Sbl over Wyo 211 in Platte County, Wyoming. It was built in 1968, so it is 57 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 3,404 vehicles a day, roughly 23% of them trucks, projected to reach 4,766 by 2043. The structure is 146 ft (44.5 m) long and 41 ft wide.

CarriesI-25 Sbl
CrossesWyo 211
LocationChugwater Marginal
RouteInterstate 25
StateWyoming
Coordinates41.75684, -104.83217
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 inspectionApril 2024
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 rating71.3 US tons
Inventory rating42.9 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length146 ft (44.5 m)
Longest span57 ft (17.4 m)
Deck width41 ft (12.4 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,404 (2024)
Projected traffic4,766 by 2043
Trucks23%
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 211 built?

It was built in 1968, making it 57 years old in 2025.

What condition is I-25 Sbl over Wyo 211 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 2024.

How much traffic does I-25 Sbl over Wyo 211 carry?

About 3,404 vehicles per day (2024 count), of which roughly 23% are trucks.

How long is I-25 Sbl over Wyo 211?

The structure is 146 ft (44.5 m) long with a longest span of 57 ft (17.4 m) and a deck 41 ft wide.

Who owns I-25 Sbl over Wyo 211?

It is owned by the State Highway Agency.