SB Ir 471 over 1rr;us52;third St Conn
Hamilton County, Ohio · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- SB Ir 471 over 1rr;us52;third St Conn in Hamilton County, Ohio, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the superstructure, rated 5 (fair condition) on the 0-9 scale.
- It was built in 1976, making it 49 years old at the 2025 inventory.
- It carries about 50,933 vehicles a day (traffic count year 2015).
- Its listed owner is the state highway agency.
- It is one of 313 of the 782 inventoried bridges in Hamilton County rated fair (40.0%); 22 (2.8%) are rated poor.
- Its traffic status in the 2025 inventory is open, no restriction (NBI item 41).
- Its condition class and component ratings are unchanged from the 2024 inventory.
- Its most recent inspection on record is dated February 2025, on a 12-month routine inspection cycle.
- A fair rating means the lowest-rated major component scores 5 or 6 on FHWA's 0-9 scale: some deterioration or minor section loss, but the structure is sound. It is the middle class, not a warning.
View this bridge on a map → (39.1014, -84.49661)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 6 | 6 | Satisfactory condition |
| Superstructure | 5 | 5 | Fair condition |
| Substructure | 7 | 7 | Good condition |
Bridge details
| Structure | Continuous steel stringer or multi-beam girder |
| Length | about 1,100 ft |
| Location | Oh-ky State Line |
| NBI structure number | 3117359 |
| Condition class | Fair |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | February 2025 |
| Inspection interval (item 91) | 12 months |
| Scour (item 113) | N: not over a waterway |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Ohio department of transportation.
Busiest bridges in Hamilton County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Ir 71 over Ohio River Brent Spence | 1963 | 163,386 | Fair |
| Ir 75 over Mill Creek | 1947 | 156,804 | Fair |
| Service Road over Service Rd Ov MILL CR | 1986 | 156,804 | Good |
| Rmp Redbank-i71s over Ir 71 | 1969 | 149,533 | Fair |
| Ir 75 over Laidlaw Avenue | 1959 | 148,474 | Fair |
| Ir 75 over Towne Avenue | 1958 | 146,755 | Fair |
All bridges nearby: Hamilton County, OH bridge conditions · every bridge in Hamilton County · Ohio bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.