SR 66 over Usr 24 #
Defiance County, Ohio · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- SR 66 over Usr 24 # in Defiance County, Ohio, is rated in good condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the deck, rated 9 (excellent condition) on the 0-9 scale.
- It was built in 2010, making it 15 years old at the 2025 inventory.
- It carries about 16,125 vehicles a day (traffic count year 2015).
- Its listed owner is the state highway agency.
- It is one of 126 of the 159 inventoried bridges in Defiance County rated good (79.2%); 1 (0.6%) 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 April 2023, on a 24-month routine inspection cycle.
- A good rating means every major component - deck, superstructure, substructure, or culvert - is rated 7 or higher on FHWA's 0-9 scale: no more than minor problems.
View this bridge on a map → (41.30779, -84.36078)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 9 | 9 | Excellent condition |
| Superstructure | 9 | 9 | Excellent condition |
| Substructure | 9 | 9 | Excellent condition |
Bridge details
| Structure | Continuous concrete tee beam |
| Length | about 175 ft |
| Location | City of Defiance |
| NBI structure number | 2001632 |
| Condition class | Good |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | April 2023 |
| Inspection interval (item 91) | 24 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 Defiance County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| SR15 over Maumee River | 2019 | 27,320 | Good |
| SR 15 over Norfolk & Western RR # | 1977 | 24,257 | Good |
| SR 15 over Auglaize River | 1991 | 13,870 | Fair |
| SR 15 over Usr 24 | 2007 | 10,150 | Good |
| SR 66 S Jefferson over Auglaize River | 1966 | 9,940 | Fair |
| SR 281 over Usr 24 | 2007 | 9,890 | Good |
All bridges nearby: Defiance County, OH bridge conditions · every bridge in Defiance County · Ohio bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.