I-25 Nbl over I-25 Service Road
GoodNatrona County, Wyoming · Casper - Kaycee · Structure no. DFM
- Built
- 1980
- 45 years old
- Condition
- Good
- inspected March 2023
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 164 ft
- 3 main spans
- Daily traffic
- 1,749
- 2024 count
- Owner
- State
- State Highway Agency
About this bridge
I-25 Nbl over I-25 Service Road is a steel continuous stringer/multi-beam or girder carrying I-25 Nbl over I-25 Service Road in Natrona County, Wyoming. It was built in 1980, so it is 45 years old, younger 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 1,749 vehicles a day, roughly 33% of them trucks, projected to reach 2,449 by 2043. The structure is 164 ft (50 m) long and 45 ft wide. If it were closed, the detour would be 1.2 mi (2 km).
Location
Open in Google MapsCondition and inspection
All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was I-25 Nbl over I-25 Service Road built?
It was built in 1980, making it 45 years old in 2025.
What condition is I-25 Nbl over I-25 Service Road 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 I-25 Service Road carry?
About 1,749 vehicles per day (2024 count), of which roughly 33% are trucks.
How long is I-25 Nbl over I-25 Service Road?
The structure is 164 ft (50 m) long with a longest span of 64 ft (19.5 m) and a deck 45 ft wide.
Who owns I-25 Nbl over I-25 Service Road?
It is owned by the State Highway Agency.