T.R. 173 over Mad River
GoodLogan County, Ohio · 0.14 Mi. East of C.R. 5 · Structure no. 4646223
- Built
- 2007
- 18 years old
- Condition
- Good
- inspected January 2025
- Type
- Truss - Thru
- Steel
- Length
- 77 ft
- 1 main span
- Daily traffic
- 112
- 2015 count
- Owner
- County
- County Highway Agency
About this bridge
T.R. 173 over Mad River is a steel truss - thru carrying T.R. 173 over Mad River in Logan County, Ohio. It was built in 2007, so it is 18 years old, younger than the Ohio average of 47.3 years.
The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 9 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 112 vehicles a day, roughly 7% of them trucks, projected to reach 155 by 2035. The structure is 77 ft (23.5 m) long and 24 ft wide. If it were closed, the detour would be 3.7 mi (6 km).
Location
Open in Google MapsCondition and inspection
All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 9 Excellent | No problems noted. |
| Superstructure | 9 Excellent | No problems noted. |
| Substructure | 9 Excellent | No problems noted. |
| Channel and channel protection | 9 Excellent | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was T.R. 173 over Mad River built?
It was built in 2007, making it 18 years old in 2025.
What condition is T.R. 173 over Mad River in?
The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in January 2025.
How much traffic does T.R. 173 over Mad River carry?
About 112 vehicles per day (2015 count), of which roughly 7% are trucks.
How long is T.R. 173 over Mad River?
The structure is 77 ft (23.5 m) long with a longest span of 73 ft (22.3 m) and a deck 24 ft wide.
Who owns T.R. 173 over Mad River?
It is owned by the County Highway Agency.