County Road 29 over Bridge over Tymochtee CR
Marion County, Ohio · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- County Road 29 over Bridge over Tymochtee CR in Marion 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 1996, making it 29 years old at the 2025 inventory.
- It carries about 385 vehicles a day (traffic count year 2015).
- Its listed owner is the county highway agency.
- It is one of 82 of the 230 inventoried bridges in Marion County rated fair (35.7%); 9 (3.9%) 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 September 2024, 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 → (40.67125, -83.34297)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 6 | 6 | Satisfactory condition |
| Superstructure | 6 | 6 | Satisfactory condition |
| Substructure | 6 | 6 | Satisfactory condition |
Bridge details
| Structure | Prestressed concrete multiple box beam |
| Length | about 108 ft |
| Location | 0.9 Mi N.of Jct Tr 27 |
| NBI structure number | 5134870 |
| Condition class | Fair |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | September 2024 |
| Inspection interval (item 91) | 12 months |
| Scour (item 113) | 4: foundations stable, field review says exposed foundations need protection |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Ohio department of transportation.
Busiest bridges in Marion County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| SR 95 over Graves Creek | 1965 | 23,882 | Fair |
| SR 309 over Grave Creek | 1998 | 13,059 | Good |
| US 23 over over Sr98-0011 | 1965 | 11,517 | Good |
| US 23 over over Sr98-0013 | 1965 | 11,517 | Good |
| US 23 over Cauquaw CR | 1965 | 11,517 | Good |
| US 23 over Cauquaw CR | 1965 | 11,517 | Good |
All bridges nearby: Marion County, OH bridge conditions · every bridge in Marion County · Ohio bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.