US-23 SB over Hyne RD
FairLivingston County, Michigan · 4.1 MI N of I-96 · Structure no. 000000000005747
- Built
- 1962
- 63 years old, rebuilt 2011
- Condition
- Fair
- inspected August 2024
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 107 ft
- 3 main spans
- Daily traffic
- 25,275
- 2007 count
- Owner
- State
- State Highway Agency
About this bridge
US-23 SB over Hyne RD is a steel stringer/multi-beam or girder carrying US-23 SB over Hyne RD in Livingston County, Michigan. It was built in 1962 and reconstructed in 2011, so it is 63 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 25,275 vehicles a day, roughly 9% of them trucks, projected to reach 28,845 by 2018. The structure is 107 ft (32.6 m) long and 47 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was US-23 SB over Hyne RD built?
It was built in 1962, making it 63 years old in 2025. It was reconstructed in 2011.
What condition is US-23 SB over Hyne RD 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 August 2024.
How much traffic does US-23 SB over Hyne RD carry?
About 25,275 vehicles per day (2007 count), of which roughly 9% are trucks.
How long is US-23 SB over Hyne RD?
The structure is 107 ft (32.6 m) long with a longest span of 41 ft (12.5 m) and a deck 47 ft wide.
Who owns US-23 SB over Hyne RD?
It is owned by the State Highway Agency.