Wyo 13 over Big Harrison Ditch
GoodCarbon County, Wyoming · Rock River - JCT I-80 · Structure no. DJT
- Built
- 1976
- 49 years old
- Condition
- Good
- inspected May 2024
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 46 ft
- 1 main span
- Daily traffic
- 251
- 2024 count
- Owner
- State
- State Highway Agency
About this bridge
Wyo 13 over Big Harrison Ditch is a steel stringer/multi-beam or girder carrying Wyo 13 over Big Harrison Ditch in Carbon County, Wyoming. It was built in 1976, so it is 49 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 251 vehicles a day, roughly 12% of them trucks, projected to reach 351 by 2043. The structure is 46 ft (14 m) long and 35 ft wide. If it were closed, the detour would be 46 mi (74 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 | 8 Very Good | No problems noted. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Wyo 13 over Big Harrison Ditch built?
It was built in 1976, making it 49 years old in 2025.
What condition is Wyo 13 over Big Harrison Ditch 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 Wyo 13 over Big Harrison Ditch carry?
About 251 vehicles per day (2024 count), of which roughly 12% are trucks.
How long is Wyo 13 over Big Harrison Ditch?
The structure is 46 ft (14 m) long with a longest span of 43 ft (13.1 m) and a deck 35 ft wide.
Who owns Wyo 13 over Big Harrison Ditch?
It is owned by the State Highway Agency.