30th Street over Empson Ditch
Fair Condition63 years old16,733 vehicles/day
Location
| State | Colorado |
| County | Boulder |
| Location | 0.59 Mi N Of Baseline RD |
| Carries | 30th Street |
| Crosses | Empson Ditch |
| Coordinates | 40.00876, -105.25342 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 7 (Good) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Tee Beam |
| Total Length | 24.9 ft (7.6 m) |
| Max Span | 22.3 ft (6.8 m) |
| Deck Width | 62.0 ft (18.9 m) |
| Deck Area | 143.6 sq m |
| Main Spans | 1 |
| Year Built | 1963 |
Traffic
| Avg Daily Traffic | 16,733 (2023) |
| Truck Traffic | 2% |
| Lanes On Bridge | 4 |
Inspection & Ownership
| Last Inspection | 225 |
| Inspection Frequency | Every 24 months |
| Owner | City/Municipal Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | BOLD-07-0.59-01 |