US Bridges

I-25 Nbl over Spring Creek

Good

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

Built
1960
65 years old
Condition
Good
inspected January 2025
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
137 ft
3 main spans
Daily traffic
3,602
2024 count
Owner
State
State Highway Agency

About this bridge

I-25 Nbl over Spring Creek is a steel continuous stringer/multi-beam or girder carrying I-25 Nbl over Spring Creek 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 137 ft (41.7 m) long and 41 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI-25 Nbl
CrossesSpring Creek
LocationWheatland - Glendo
RouteInterstate 25
StateWyoming
Coordinates42.27591, -105.04542
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.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating68.8 US tons
Inventory rating41 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length137 ft (41.7 m)
Longest span51 ft (15.6 m)
Deck width41 ft (12.6 m)
Roadway width38 ft (11.6 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
CarriesHighway
CrossesWaterway
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was I-25 Nbl over Spring Creek built?

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

What condition is I-25 Nbl over Spring Creek 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 January 2025.

How much traffic does I-25 Nbl over Spring Creek carry?

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

How long is I-25 Nbl over Spring Creek?

The structure is 137 ft (41.7 m) long with a longest span of 51 ft (15.6 m) and a deck 41 ft wide.

Who owns I-25 Nbl over Spring Creek?

It is owned by the State Highway Agency.