Blain Highway over Ralston Run
PoorRoss County, Ohio · .03 Mi. W of SR-772 · Structure no. 7141351
- Built
- 1939
- 86 years old
- Condition
- Poor
- inspected October 2024
- Type
- Slab
- Concrete
- Length
- 33 ft
- 1 main span
- Daily traffic
- 933
- 2015 count
- Owner
- County
- County Highway Agency
About this bridge
Blain Highway over Ralston Run is a concrete slab carrying Blain Highway over Ralston Run in Ross County, Ohio. It was built in 1939, so it is 86 years old, older than the Ohio average of 47.3 years.
The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 3 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
It carries about 933 vehicles a day, roughly 8% of them trucks, projected to reach 1,295 by 2035. The structure is 33 ft (10.1 m) long and 25 ft wide. If it were closed, the detour would be 6.2 mi (10 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 3 Serious | Loss of section, deterioration, spalling or scour have seriously affected primary structural components. |
| Superstructure | 3 Serious | Loss of section, deterioration, spalling or scour have seriously affected primary structural components. |
| Substructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Blain Highway over Ralston Run built?
It was built in 1939, making it 86 years old in 2025.
What condition is Blain Highway over Ralston Run in?
The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in October 2024.
How much traffic does Blain Highway over Ralston Run carry?
About 933 vehicles per day (2015 count), of which roughly 8% are trucks.
How long is Blain Highway over Ralston Run?
The structure is 33 ft (10.1 m) long with a longest span of 30 ft (9.1 m) and a deck 25 ft wide.
Who owns Blain Highway over Ralston Run?
It is owned by the County Highway Agency.