South Lemay Avenue over Fossil Creek
FairLarimer County, Colorado · 0.8 MI N of E. Trilby RD · Structure no. FCLMY-0.2-SRGB
- Built
- 1985
- 40 years old
- Condition
- Fair
- inspected June 2023
- Type
- Tee Beam
- Prestressed Concrete
- Length
- 37 ft
- 1 main span
- Daily traffic
- 10,956
- 2023 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
South Lemay Avenue over Fossil Creek is a prestressed concrete tee beam carrying South Lemay Avenue over Fossil Creek in Larimer County, Colorado. It was built in 1985, so it is 40 years old, younger 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 6 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 10,956 vehicles a day, roughly 10% of them trucks, projected to reach 13,695 by 2042. The structure is 37 ft (11.3 m) long and 88 ft wide. If it were closed, the detour would be 1.9 mi (3 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 | 8 Very Good | No problems noted. |
| Superstructure | 7 Good | Some minor problems. |
| 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 South Lemay Avenue over Fossil Creek built?
It was built in 1985, making it 40 years old in 2025.
What condition is South Lemay Avenue over Fossil 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 June 2023.
How much traffic does South Lemay Avenue over Fossil Creek carry?
About 10,956 vehicles per day (2023 count), of which roughly 10% are trucks.
How long is South Lemay Avenue over Fossil Creek?
The structure is 37 ft (11.3 m) long with a longest span of 33 ft (10.1 m) and a deck 88 ft wide.
Who owns South Lemay Avenue over Fossil Creek?
It is owned by the City or Municipal Highway Agency.