Erastus Durbin Rd over Big Run
Mercer County, Ohio · rated Poor in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Erastus Durbin Rd over Big Run in Mercer County, Ohio, is rated in poor condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the deck, rated 4 (poor condition) on the 0-9 scale.
- It was built in 1911 and reconstructed in 1989, making it 114 years old at the 2025 inventory.
- It carries about 172 vehicles a day (traffic count year 2015).
- Its listed owner is the county highway agency.
- It is one of 5 of the 327 inventoried bridges in Mercer County rated poor (1.5%); 5 (1.5%) are rated poor.
- A poor rating means at least one major component - deck, superstructure, or substructure - is rated 4 or lower on FHWA's 0-9 scale. It does not by itself mean the bridge is unsafe; bridges judged unsafe are closed or load-restricted by their owners.
View this bridge on a map → (40.52095, -84.70801)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Deck | 4 | Poor condition |
| Superstructure | 4 | Poor condition |
| Substructure | 5 | Fair condition |
Bridge details
| Structure | Concrete multiple box beam |
| Length | about 27 ft |
| Location | 0.6 Mi S Pine Road |
| NBI structure number | 5459729 |
| Condition class | Poor |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Ohio department of transportation.
Busiest bridges in Mercer County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Usr-127 over Beaver Creek | 2008 | 9,767 | Good |
| Usr-127 over Coldwater Creek | 1950 | 9,115 | Good |
| Usr-127 over Dahlinghaus Ditch | 1950 | 6,978 | Good |
| Usr 33 over Eight Mile Creek | 1997 | 6,514 | Good |
| Usr 33 over Twelve Mile Creek | 1962 | 6,433 | Fair |
| Usr 33 over Branch Eight Mile Creek | 1972 | 6,433 | Good |
All bridges nearby: Mercer County, OH bridge conditions · every bridge in Mercer County · Ohio bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.