County Road 103 over Middle St. Vrain Creek
GoodBoulder County, Colorado · 200 Feet South of Raymond · Structure no. BC-103-1.3-MSV1
- Built
- 1993
- 32 years old
- Condition
- Good
- inspected January 2025
- Type
- Slab
- Prestressed Concrete
- Length
- 43 ft
- 1 main span
- Daily traffic
- 112
- 2023 count
- Owner
- County
- County Highway Agency
About this bridge
County Road 103 over Middle St. Vrain Creek is a prestressed concrete slab carrying County Road 103 over Middle St. Vrain Creek in Boulder County, Colorado. It was built in 1993, so it is 32 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 112 vehicles a day, roughly 13% of them trucks, projected to reach 134 by 2043. The structure is 43 ft (13.2 m) long and 34 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 | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| 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 County Road 103 over Middle St. Vrain Creek built?
It was built in 1993, making it 32 years old in 2025.
What condition is County Road 103 over Middle St. Vrain 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 January 2025.
How much traffic does County Road 103 over Middle St. Vrain Creek carry?
About 112 vehicles per day (2023 count), of which roughly 13% are trucks.
How long is County Road 103 over Middle St. Vrain Creek?
The structure is 43 ft (13.2 m) long with a longest span of 40 ft (12.1 m) and a deck 34 ft wide.
Who owns County Road 103 over Middle St. Vrain Creek?
It is owned by the County Highway Agency.