SH 157 Nbnd over Four Mile Canyon Creek
Good Condition38 years old20,500 vehicles/day
Location
| State | Colorado |
| County | Boulder |
| Location | Two Miles N Of Boulder Ci |
| Carries | SH 157 Nbnd |
| Crosses | Four Mile Canyon Creek |
| Coordinates | 40.04542, -105.24023 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Prestressed Concrete Continuous |
| Design | Box Beam - Single/Spread |
| Total Length | 132.2 ft (40.3 m) |
| Max Span | 64.3 ft (19.6 m) |
| Deck Width | 40.4 ft (12.3 m) |
| Deck Area | 495.7 sq m |
| Main Spans | 2 |
| Year Built | 1988 |
Traffic
| Avg Daily Traffic | 20,500 (2020) |
| Truck Traffic | 3% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 723 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | D-16-DJ |