Seibert Road over Saint Marys River
Auglaize County, Ohio · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Seibert Road over Saint Marys River in Auglaize County, Ohio, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the superstructure, rated 6 (satisfactory condition) on the 0-9 scale.
- It was built in 1990, making it 35 years old at the 2025 inventory.
- It carries about 351 vehicles a day (traffic count year 2022).
- Its listed owner is the county highway agency.
- It is one of 54 of the 321 inventoried bridges in Auglaize County rated fair (16.8%); 1 (0.3%) are rated poor.
- 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 → (40.60738, -84.38187)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Deck | 7 | Good condition |
| Superstructure | 6 | Satisfactory condition |
| Substructure | 7 | Good condition |
Bridge details
| Structure | Steel through truss |
| Length | about 149 ft |
| Location | 0.2 Mi. N. of C.R. 66A |
| NBI structure number | 0634638 |
| Condition class | Fair |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Ohio department of transportation.
Busiest bridges in Auglaize County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Ir-75 over Quaker Run | 1958 | 35,347 | Good |
| Ir-75 over Usr 33 | 1959 | 18,354 | Fair |
| Ir-75 over Usr 33 | 1959 | 18,354 | Fair |
| Ir-75 over Penn Central R.R. | 1958 | 18,354 | Good |
| Ir-75 over Penn Central R.R. | 1958 | 18,354 | Good |
| Ir-75 over Pusheta Creek | 1962 | 18,325 | Good |
All bridges nearby: Auglaize County, OH bridge conditions · every bridge in Auglaize County · Ohio bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.