US-23|HURON ST over Au Gres River
FairArenac County, Michigan · In Au Gres · Structure no. 000000000000398
- Built
- 1930
- 95 years old
- Condition
- Fair
- inspected May 2024
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 120 ft
- 2 main spans
- Daily traffic
- 7,728
- 2014 count
- Owner
- State
- State Highway Agency
About this bridge
US-23|HURON ST over Au Gres River is a steel stringer/multi-beam or girder carrying US-23|HURON ST over Au Gres River in Arenac County, Michigan. It was built in 1930, so it is 95 years old, older 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 5 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 7,728 vehicles a day, roughly 5% of them trucks, projected to reach 8,887 by 2034. The structure is 120 ft (36.6 m) long and 43 ft wide. If it were closed, the detour would be 1.9 mi (3 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Substructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was US-23|HURON ST over Au Gres River built?
It was built in 1930, making it 95 years old in 2025.
What condition is US-23|HURON ST over Au Gres 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 May 2024.
How much traffic does US-23|HURON ST over Au Gres River carry?
About 7,728 vehicles per day (2014 count), of which roughly 5% are trucks.
How long is US-23|HURON ST over Au Gres River?
The structure is 120 ft (36.6 m) long with a longest span of 58 ft (17.8 m) and a deck 43 ft wide.
Who owns US-23|HURON ST over Au Gres River?
It is owned by the State Highway Agency.