US Bridges

I-25 Nbl over Wyo 319

Good

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

Built
1960
65 years old
Condition
Good
inspected March 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
107 ft
3 main spans
Daily traffic
3,602
2024 count
Owner
State
State Highway Agency

About this bridge

I-25 Nbl over Wyo 319 is a steel continuous stringer/multi-beam or girder carrying I-25 Nbl over Wyo 319 in Platte County, Wyoming. It was built in 1960, so it is 65 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 3,602 vehicles a day, roughly 24% of them trucks, projected to reach 5,043 by 2043. The structure is 107 ft (32.6 m) long and 47 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI-25 Nbl
CrossesWyo 319
LocationWheatland - Glendo
RouteInterstate 25
StateWyoming
Coordinates42.33933, -105.04559
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 geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating63.1 US tons
Inventory rating37.8 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length107 ft (32.6 m)
Longest span40 ft (12.2 m)
Deck width47 ft (14.4 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,602 (2024)
Projected traffic5,043 by 2043
Trucks24%
Lanes on structure2
Traffic directionOne-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-25 Nbl over Wyo 319 built?

It was built in 1960, making it 65 years old in 2025.

What condition is I-25 Nbl over Wyo 319 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 Nbl over Wyo 319 carry?

About 3,602 vehicles per day (2024 count), of which roughly 24% are trucks.

How long is I-25 Nbl over Wyo 319?

The structure is 107 ft (32.6 m) long with a longest span of 40 ft (12.2 m) and a deck 47 ft wide.

Who owns I-25 Nbl over Wyo 319?

It is owned by the State Highway Agency.