Ir 77 over CR 21
FairNoble County, Ohio · 17.7M N Wash. Co. Line · Structure no. 6100961
- Built
- 1968
- 57 years old
- Condition
- Fair
- inspected September 2024
- Type
- Slab
- Concrete Continuous
- Length
- 145 ft
- 4 main spans
- Daily traffic
- 9,439
- 2015 count
- Owner
- State
- State Highway Agency
About this bridge
Ir 77 over CR 21 is a concrete continuous slab carrying Ir 77 over CR 21 in Noble County, Ohio. It was built in 1968, so it is 57 years old, older than the Ohio average of 47.3 years.
The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
It carries about 9,439 vehicles a day, roughly 24% of them trucks, projected to reach 13,101 by 2035. The structure is 145 ft (44.3 m) long and 42 ft wide. If it were closed, the detour would be 1.2 mi (2 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Ir 77 over CR 21 built?
It was built in 1968, making it 57 years old in 2025.
What condition is Ir 77 over CR 21 in?
The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in September 2024.
How much traffic does Ir 77 over CR 21 carry?
About 9,439 vehicles per day (2015 count), of which roughly 24% are trucks.
How long is Ir 77 over CR 21?
The structure is 145 ft (44.3 m) long with a longest span of 40 ft (12.2 m) and a deck 42 ft wide.
Who owns Ir 77 over CR 21?
It is owned by the State Highway Agency.