US 30 over CR.1 Marion-melmore Road
Crawford County, Ohio · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- US 30 over CR.1 Marion-melmore Road in Crawford County, Ohio, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the substructure, rated 6 (satisfactory condition) on the 0-9 scale.
- It was built in 2004, making it 21 years old at the 2025 inventory.
- It carries about 4,838 vehicles a day (traffic count year 2015).
- Its listed owner is the state highway agency.
- It is one of 51 of the 221 inventoried bridges in Crawford County rated fair (23.1%); 7 (3.2%) 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 → (40.8172, -83.09325)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Deck | 7 | Good condition |
| Superstructure | 7 | Good condition |
| Substructure | 6 | Satisfactory condition |
Bridge details
| Structure | Concrete slab |
| Length | about 65 ft |
| Location | 1.1 Mi.east of Wya.co. |
| NBI structure number | 1700979 |
| Condition class | Fair |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Ohio department of transportation.
Busiest bridges in Crawford County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| New US 30 over Trib.of Olentangy River | 2005 | 13,031 | Good |
| SR 598 over Olentangy River | 2014 | 11,919 | Good |
| SR 4 over Sandusky River | 1950 | 11,017 | Good |
| US 30 over Drainage Ditch | 2004 | 9,675 | Good |
| SR 19 over Olentangy River | 1993 | 8,400 | Good |
| New US 30 over over CSX Railroad | 2004 | 8,188 | Good |
All bridges nearby: Crawford County, OH bridge conditions · every bridge in Crawford County · Ohio bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.