Ir 75 NB over Norfolk Southern RR
Butler County, Ohio · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Ir 75 NB over Norfolk Southern RR in Butler County, Ohio, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the deck, rated 6 (satisfactory condition) on the 0-9 scale.
- It was built in 1960 and reconstructed in 2004, making it 65 years old at the 2025 inventory.
- It carries about 59,060 vehicles a day (traffic count year 2015).
- Its listed owner is the state highway agency.
- It is one of 125 of the 377 inventoried bridges in Butler County rated fair (33.2%); 15 (4.0%) 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 → (39.30287, -84.43824)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 6 | 6 | Satisfactory condition |
| Superstructure | 7 | 7 | Good condition |
| Substructure | 7 | 7 | Good condition |
Bridge details
| Structure | Continuous steel stringer or multi-beam girder |
| Length | about 241 ft |
| Location | .21 Mi N Ham-but Co Li |
| NBI structure number | 0901474 |
| 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 Butler County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Ir 75 over Mason Road | 2010 | 113,089 | Good |
| Ir-75 South over C131(LESOURDESVL W C Rd) | 1960 | 68,525 | Good |
| Ir-75 North over C131(LESOURDESVL W C Rd) | 1960 | 68,525 | Good |
| Ir 75 over Norfolk Southern RR | 1960 | 65,877 | Good |
| Ir 75 over Norfolk Southern RR | 1960 | 65,877 | Fair |
| Ir 75 over Norfolk Southern RR | 1960 | 59,060 | Good |
All bridges nearby: Butler County, OH bridge conditions · every bridge in Butler County · Ohio bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.