Namaqua Avenue over Big Thompson River
GoodLarimer County, Colorado · 0.5 MI N of W 1st St. · Structure no. LR19E-0.5-20-A
- Built
- 2019
- 6 years old
- Condition
- Good
- inspected July 2023
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete Continuous
- Length
- 156 ft
- 2 main spans
- Daily traffic
- 5,082
- 2023 count
- Owner
- County
- County Highway Agency
About this bridge
Namaqua Avenue over Big Thompson River is a prestressed concrete continuous box beam or girders - multiple carrying Namaqua Avenue over Big Thompson River in Larimer County, Colorado. It was built in 2019, so it is 6 years old, younger than the Colorado average of 42.2 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 5,082 vehicles a day, roughly 16% of them trucks, projected to reach 6,353 by 2042. The structure is 156 ft (47.5 m) long and 57 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 | 8 Very Good | No problems noted. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Namaqua Avenue over Big Thompson River built?
It was built in 2019, making it 6 years old in 2025.
What condition is Namaqua Avenue over Big Thompson River 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 July 2023.
How much traffic does Namaqua Avenue over Big Thompson River carry?
About 5,082 vehicles per day (2023 count), of which roughly 16% are trucks.
How long is Namaqua Avenue over Big Thompson River?
The structure is 156 ft (47.5 m) long with a longest span of 73 ft (22.4 m) and a deck 57 ft wide.
Who owns Namaqua Avenue over Big Thompson River?
It is owned by the County Highway Agency.