County Road 396 over Big Thompson River
FairWeld County, Colorado · 0.2 MI So of 54 ST RD · Structure no. EVN031.0-050.0A
- Built
- 1965
- 60 years old
- Condition
- Fair
- inspected April 2024
- Type
- Tee Beam
- Prestressed Concrete
- Length
- 122 ft
- 3 main spans
- Daily traffic
- 132
- 2023 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
County Road 396 over Big Thompson River is a prestressed concrete tee beam carrying County Road 396 over Big Thompson River in Weld County, Colorado. It was built in 1965, so it is 60 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 132 vehicles a day, roughly 33% of them trucks, projected to reach 188 by 2042. The structure is 122 ft (37.3 m) long and 28 ft wide. If it were closed, the detour would be 5 mi (8 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| 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 County Road 396 over Big Thompson River built?
It was built in 1965, making it 60 years old in 2025.
What condition is County Road 396 over Big Thompson River 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 April 2024.
How much traffic does County Road 396 over Big Thompson River carry?
About 132 vehicles per day (2023 count), of which roughly 33% are trucks.
How long is County Road 396 over Big Thompson River?
The structure is 122 ft (37.3 m) long with a longest span of 39 ft (11.9 m) and a deck 28 ft wide.
Who owns County Road 396 over Big Thompson River?
It is owned by the City or Municipal Highway Agency.