S Boulder Road over South Boulder Creek
FairBoulder County, Colorado · 0.4 MI E of US HWY 36 · Structure no. BC-60-0.4-SB-1
- Built
- 1986
- 39 years old
- Condition
- Fair
- inspected February 2025
- Type
- Tee Beam
- Prestressed Concrete Continuous
- Length
- 121 ft
- 2 main spans
- Daily traffic
- 9,270
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
S Boulder Road over South Boulder Creek is a prestressed concrete continuous tee beam carrying S Boulder Road over South Boulder Creek in Boulder County, Colorado. It was built in 1986, so it is 39 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 9,270 vehicles a day, roughly 4% of them trucks, projected to reach 11,124 by 2042. The structure is 121 ft (36.8 m) long and 83 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was S Boulder Road over South Boulder Creek built?
It was built in 1986, making it 39 years old in 2025.
What condition is S Boulder Road over South Boulder 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 S Boulder Road over South Boulder Creek carry?
About 9,270 vehicles per day (2022 count), of which roughly 4% are trucks.
How long is S Boulder Road over South Boulder Creek?
The structure is 121 ft (36.8 m) long with a longest span of 55 ft (16.9 m) and a deck 83 ft wide.
Who owns S Boulder Road over South Boulder Creek?
It is owned by the County Highway Agency.