Rossum Drive over Big Thompson River
GoodLarimer County, Colorado · 0.2 MI South of US 34 · Structure no. LOV1080ROSSUMDR
- Built
- 2002
- 23 years old
- Condition
- Good
- inspected May 2023
- Type
- Tee Beam
- Prestressed Concrete
- Length
- 102 ft
- 2 main spans
- Daily traffic
- 1,371
- 2023 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
Rossum Drive over Big Thompson River is a prestressed concrete tee beam carrying Rossum Drive over Big Thompson River in Larimer County, Colorado. It was built in 2002, so it is 23 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 1,371 vehicles a day, roughly 17% of them trucks, projected to reach 1,714 by 2043. The structure is 102 ft (31.1 m) long and 44 ft wide. If it were closed, the detour would be 5 mi (8 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Rossum Drive over Big Thompson River built?
It was built in 2002, making it 23 years old in 2025.
What condition is Rossum Drive 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 May 2023.
How much traffic does Rossum Drive over Big Thompson River carry?
About 1,371 vehicles per day (2023 count), of which roughly 17% are trucks.
How long is Rossum Drive over Big Thompson River?
The structure is 102 ft (31.1 m) long with a longest span of 48 ft (14.7 m) and a deck 44 ft wide.
Who owns Rossum Drive over Big Thompson River?
It is owned by the City or Municipal Highway Agency.