Nhs 7553;capitol over Boise River
Fair Condition95 years old16,500 vehicles/day
Location
| State | Idaho |
| County | Ada |
| Location | In Boise;capitol BLVD |
| Carries | Nhs 7553;capitol |
| Crosses | Boise River |
| Coordinates | 43.60836, -116.20875 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 3 — Scour critical |
Physical Characteristics
| Material | Concrete |
| Design | Arch - Deck |
| Total Length | 303.1 ft (92.4 m) |
| Max Span | 76.1 ft (23.2 m) |
| Deck Width | 63.3 ft (19.3 m) |
| Deck Area | 1783.3 sq m |
| Main Spans | 4 |
| Year Built | 1931 (reconstructed 1992) |
Traffic
| Avg Daily Traffic | 16,500 (2023) |
| Truck Traffic | 2% |
| Lanes On Bridge | 3 |
Inspection & Ownership
| Last Inspection | 924 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is on the National Register of Historic Places |
| Structure Number | 000000000021445 |