Linn-benton RD over Trib To Knapp Creek
Fair Condition54 years old1,530 vehicles/day
Location
| State | Iowa |
| County | Linn |
| Location | Benton-linn Road |
| Carries | Linn-benton RD |
| Crosses | Trib To Knapp Creek |
| Coordinates | 41.87856, -91.83157 |
Condition Ratings
| Overall Condition | Fair |
| Channel/Waterway | 7 (Good) |
| Culvert | 6 (Satisfactory) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Concrete Continuous |
| Design | Culvert |
| Total Length | 21.0 ft (6.4 m) |
| Max Span | 9.8 ft (3 m) |
| Deck Width | 29.9 ft (9.1 m) |
| Deck Area | 58.2 sq m |
| Main Spans | 2 |
| Year Built | 1972 |
Traffic
| Avg Daily Traffic | 1,530 (2021) |
| Truck Traffic | 2% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 223 |
| Inspection Frequency | Every 24 months |
| Owner | City/Municipal Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000220470 |