Marshall Road over Coal Creek
GoodBoulder County, Colorado · 0.07 MI N of Creek View · Structure no. SUPER-MARSHALL
- Built
- 2022
- 3 years old
- Condition
- Good
- inspected February 2025
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 96 ft
- 1 main span
- Daily traffic
- 1,867
- 2023 count
- Owner
- Town / Township
- Town or Township Highway Agency
About this bridge
Marshall Road over Coal Creek is a prestressed concrete box beam or girders - multiple carrying Marshall Road over Coal Creek in Boulder County, Colorado. It was built in 2022, so it is 3 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 9 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 1,867 vehicles a day, roughly 1% of them trucks, projected to reach 2,240 by 2042. The structure is 96 ft (29.3 m) long and 50 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 | 9 Excellent | No problems noted. |
| Superstructure | 9 Excellent | No problems noted. |
| Substructure | 9 Excellent | No problems noted. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Marshall Road over Coal Creek built?
It was built in 2022, making it 3 years old in 2025.
What condition is Marshall Road over Coal Creek 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 February 2025.
How much traffic does Marshall Road over Coal Creek carry?
About 1,867 vehicles per day (2023 count), of which roughly 1% are trucks.
How long is Marshall Road over Coal Creek?
The structure is 96 ft (29.3 m) long with a longest span of 90 ft (27.4 m) and a deck 50 ft wide.
Who owns Marshall Road over Coal Creek?
It is owned by the Town or Township Highway Agency.