US Bridges

I-25 Nbl over Bull Creek

Good

Johnson County, Wyoming · Kaycee - Buffalo · Structure no. ALL

Built
1969
56 years old
Condition
Good
inspected May 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
250 ft
3 main spans
Daily traffic
2,021
2024 count
Owner
State
State Highway Agency

About this bridge

I-25 Nbl over Bull Creek is a steel continuous stringer/multi-beam or girder carrying I-25 Nbl over Bull Creek in Johnson County, Wyoming. It was built in 1969, so it is 56 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 2,021 vehicles a day, roughly 24% of them trucks, projected to reach 2,829 by 2043. The structure is 250 ft (76.2 m) long and 43 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI-25 Nbl
CrossesBull Creek
LocationKaycee - Buffalo
RouteInterstate 25
StateWyoming
Coordinates44.27475, -106.6822
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 inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating55.4 US tons
Inventory rating33.1 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length250 ft (76.2 m)
Longest span97 ft (29.6 m)
Deck width43 ft (13 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,021 (2024)
Projected traffic2,829 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 Bull Creek built?

It was built in 1969, making it 56 years old in 2025.

What condition is I-25 Nbl over Bull 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 May 2024.

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

About 2,021 vehicles per day (2024 count), of which roughly 24% are trucks.

How long is I-25 Nbl over Bull Creek?

The structure is 250 ft (76.2 m) long with a longest span of 97 ft (29.6 m) and a deck 43 ft wide.

Who owns I-25 Nbl over Bull Creek?

It is owned by the State Highway Agency.