Caldwell RD over Boulder Creek
Fair Condition24 years old10 vehicles/day
Location
| State | Iowa |
| County | Linn |
| Location | 086051602 |
| Carries | Caldwell RD |
| Crosses | Boulder Creek |
| Coordinates | 42.26041, -91.44246 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Wood or Timber |
| Design | Slab |
| Total Length | 68.9 ft (21 m) |
| Max Span | 23.0 ft (7 m) |
| Deck Width | 24.6 ft (7.5 m) |
| Deck Area | 157.5 sq m |
| Main Spans | 3 |
| Year Built | 2002 |
Traffic
| Avg Daily Traffic | 10 (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 | 000000000222741 |