County Road 103 over Middle St. Vrain Creek
Fair Condition33 years old170 vehicles/day
Location
| State | Colorado |
| County | Boulder |
| Location | 0.5 Mile South West Of ST |
| Carries | County Road 103 |
| Crosses | Middle St. Vrain Creek |
| Coordinates | 40.17551, -105.43740 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Slab |
| Total Length | 43.0 ft (13.1 m) |
| Max Span | 39.0 ft (11.9 m) |
| Deck Width | 34.1 ft (10.4 m) |
| Deck Area | 136.2 sq m |
| Main Spans | 1 |
| Year Built | 1993 |
Traffic
| Avg Daily Traffic | 170 (2023) |
| Truck Traffic | 11% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 125 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | BC-103-0.5-MSV1 |