Mccaslin Blvd over Coal Creek
FairBoulder County, Colorado · 0.3 MI S of US HWY 36 · Structure no. SUPER-MCCASLINA
- Built
- 1995
- 30 years old
- Condition
- Fair
- inspected February 2025
- Type
- Box Beam or Girders - Single or Spread
- Prestressed Concrete
- Length
- 79 ft
- 1 main span
- Daily traffic
- 17,606
- 2023 count
- Owner
- Town / Township
- Town or Township Highway Agency
About this bridge
Mccaslin Blvd over Coal Creek is a prestressed concrete box beam or girders - single or spread carrying Mccaslin Blvd over Coal Creek in Boulder County, Colorado. It was built in 1995, so it is 30 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 17,606 vehicles a day, roughly 7% of them trucks, projected to reach 21,127 by 2042. The structure is 79 ft (24.1 m) long and 116 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 | 7 Good | Some minor problems. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| 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 Mccaslin Blvd over Coal Creek built?
It was built in 1995, making it 30 years old in 2025.
What condition is Mccaslin Blvd over Coal 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 February 2025.
How much traffic does Mccaslin Blvd over Coal Creek carry?
About 17,606 vehicles per day (2023 count), of which roughly 7% are trucks.
How long is Mccaslin Blvd over Coal Creek?
The structure is 79 ft (24.1 m) long with a longest span of 76 ft (23.2 m) and a deck 116 ft wide.
Who owns Mccaslin Blvd over Coal Creek?
It is owned by the Town or Township Highway Agency.