T-146 over Old Mill Rd Ov Mud Run
Clark County, Ohio · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- T-146 over Old Mill Rd Ov Mud Run in Clark County, Ohio, is rated in good condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the deck, rated 7 (good condition) on the 0-9 scale.
- It was built in 1957 and reconstructed in 1988, making it 68 years old at the 2025 inventory.
- It carries about 439 vehicles a day (traffic count year 2015).
- Its listed owner is the county highway agency.
- It is one of 254 of the 340 inventoried bridges in Clark County rated good (74.7%); 1 (0.3%) 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 November 2024, 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 → (39.87026, -83.87826)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 7 | 7 | Good condition |
| Superstructure | 7 | 7 | Good condition |
| Substructure | 7 | 7 | Good condition |
Bridge details
| Structure | Prestressed concrete multiple box beam |
| Length | about 26 ft |
| Location | .25MI. N. Rocky Point Rd. |
| NBI structure number | 1253719 |
| Condition class | Good |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | November 2024 |
| Inspection interval (item 91) | 24 months |
| Scour (item 113) | 5: foundations stable, scour within the limits of the footing or piles |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Ohio department of transportation.
Busiest bridges in Clark County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Ir-70 over CR 338 Xenia Rd Aband. R | 2020 | 63,108 | Good |
| Ir-70 over CR 338 Xenia Rd Aband. R | 2020 | 63,108 | Good |
| Ir-70 over SR 72 | 2020 | 63,108 | Good |
| Ir-70 over SR 72 | 2020 | 63,108 | Good |
| Ir 70 over Usr 68 | 2020 | 61,300 | Good |
| Ir 70 over Usr 68 | 2020 | 60,286 | Good |
All bridges nearby: Clark County, OH bridge conditions · every bridge in Clark County · Ohio bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.