Herbison Road over Looking Glass River
FairClinton County, Michigan · Between the Forest Hills · Structure no. 000000000002019
- Built
- 2011
- 14 years old
- Condition
- Fair
- inspected October 2024
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 115 ft
- 1 main span
- Daily traffic
- 449
- 2009 count
- Owner
- County
- County Highway Agency
About this bridge
Herbison Road over Looking Glass River is a prestressed concrete box beam or girders - multiple carrying Herbison Road over Looking Glass River in Clinton County, Michigan. It was built in 2011, so it is 14 years old, younger than the Michigan average of 48.3 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 449 vehicles a day, roughly 1% of them trucks, projected to reach 550 by 2029. The structure is 115 ft (35.1 m) long and 33 ft wide. If it were closed, the detour would be 3.7 mi (6 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 | 7 Good | Some minor problems. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 8 Very Good | No problems noted. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Herbison Road over Looking Glass River built?
It was built in 2011, making it 14 years old in 2025.
What condition is Herbison Road over Looking Glass River 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 October 2024.
How much traffic does Herbison Road over Looking Glass River carry?
About 449 vehicles per day (2009 count), of which roughly 1% are trucks.
How long is Herbison Road over Looking Glass River?
The structure is 115 ft (35.1 m) long with a longest span of 113 ft (34.3 m) and a deck 33 ft wide.
Who owns Herbison Road over Looking Glass River?
It is owned by the County Highway Agency.