County Road 16 over Alum Run
Harrison County, Ohio · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- County Road 16 over Alum Run in Harrison County, Ohio, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the culvert, rated 6 (satisfactory condition) on the 0-9 scale.
- It was built in 2001, making it 24 years old at the 2025 inventory.
- It carries about 540 vehicles a day (traffic count year 2015).
- Its listed owner is the county highway agency.
- It is one of 64 of the 138 inventoried bridges in Harrison County rated fair (46.4%); 20 (14.5%) 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 → (40.20433, -81.1875)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Culvert | 6 | Satisfactory condition |
Bridge details
| Structure | Aluminum or iron culvert |
| Length | about 24 ft |
| Location | .2 Mi W Int CR16 & CR 62 |
| NBI structure number | 3430995 |
| Condition class | Fair |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Ohio department of transportation.
Busiest bridges in Harrison County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| US 250 over Col.& Ohio R.rr Spur | 1950 | 6,972 | Good |
| 00250 over Tappan Lake (willis Run) | 2024 | 6,500 | Good |
| SR 22 over W & Le RR. | 1962 | 6,200 | Good |
| US 250 over Plum Run | 1951 | 5,496 | Fair |
| US 250 over Beaver Dam Run Tappan Lk | 1946 | 4,914 | Good |
| US 250 over Clear Fork CR Tappan Lak | 1946 | 4,914 | Fair |
All bridges nearby: Harrison County, OH bridge conditions · every bridge in Harrison County · Ohio bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.