Thirteenth Street over Fortification Creek
FairMoffat County, Colorado · 100 Ft E of Yampa Avenue · Structure no. CRAIG-13TH ST
- Built
- 1939
- 86 years old
- Condition
- Fair
- inspected October 2023
- Type
- Girder and Floorbeam System
- Steel
- Length
- 83 ft
- 1 main span
- Daily traffic
- 127
- 2023 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
Thirteenth Street over Fortification Creek is a steel girder and floorbeam system carrying Thirteenth Street over Fortification Creek in Moffat County, Colorado. It was built in 1939, so it is 86 years old, older than the Colorado average of 42.2 years.
The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
It carries about 127 vehicles a day, roughly 22% of them trucks, projected to reach 148 by 2042. The structure is 83 ft (25.2 m) long and 29 ft wide. If it were closed, the detour would be 1.2 mi (2 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Superstructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Thirteenth Street over Fortification Creek built?
It was built in 1939, making it 86 years old in 2025.
What condition is Thirteenth Street over Fortification Creek in?
The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in October 2023.
How much traffic does Thirteenth Street over Fortification Creek carry?
About 127 vehicles per day (2023 count), of which roughly 22% are trucks.
How long is Thirteenth Street over Fortification Creek?
The structure is 83 ft (25.2 m) long with a longest span of 76 ft (23.2 m) and a deck 29 ft wide.
Who owns Thirteenth Street over Fortification Creek?
It is owned by the City or Municipal Highway Agency.