First Street over Fortification Creek
FairMoffat County, Colorado · 0.7 MI East of ST HWY 394 · Structure no. MOF1STST-00.25
- Built
- 1939
- 86 years old, rebuilt 1978
- Condition
- Fair
- inspected October 2023
- Type
- Girder and Floorbeam System
- Steel
- Length
- 83 ft
- 1 main span
- Daily traffic
- 1,991
- 2023 count
- Owner
- County
- County Highway Agency
About this bridge
First Street over Fortification Creek is a steel girder and floorbeam system carrying First Street over Fortification Creek in Moffat County, Colorado. It was built in 1939 and reconstructed in 1978, 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 1,991 vehicles a day, roughly 40% of them trucks, projected to reach 2,329 by 2042. The structure is 83 ft (25.4 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 | 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 First Street over Fortification Creek built?
It was built in 1939, making it 86 years old in 2025. It was reconstructed in 1978.
What condition is First 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 First Street over Fortification Creek carry?
About 1,991 vehicles per day (2023 count), of which roughly 40% are trucks.
How long is First Street over Fortification Creek?
The structure is 83 ft (25.4 m) long with a longest span of 74 ft (22.6 m) and a deck 29 ft wide.
Who owns First Street over Fortification Creek?
It is owned by the County Highway Agency.