Hills Mill RD over Boulder Creek
Fair Condition23 years old20 vehicles/day
Location
| State | Iowa |
| County | Linn |
| Location | 086052004 |
| Carries | Hills Mill RD |
| Crosses | Boulder Creek |
| Coordinates | 42.25079, -91.45221 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Wood or Timber |
| Design | Slab |
| Total Length | 97.1 ft (29.6 m) |
| Max Span | 24.0 ft (7.3 m) |
| Deck Width | 32.2 ft (9.8 m) |
| Deck Area | 290.1 sq m |
| Main Spans | 4 |
| Year Built | 2003 |
Traffic
| Avg Daily Traffic | 20 (2022) |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 924 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000222781 |