US-23 NB over Saline River
FairMonroe County, Michigan · In Milan · Structure no. 000000000007081
- Built
- 1961
- 64 years old
- Condition
- Fair
- inspected January 2025
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 120 ft
- 3 main spans
- Daily traffic
- 19,825
- 2020 count
- Owner
- State
- State Highway Agency
About this bridge
US-23 NB over Saline River is a steel stringer/multi-beam or girder carrying US-23 NB over Saline River in Monroe County, Michigan. It was built in 1961, so it is 64 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 19,825 vehicles a day, roughly 18% of them trucks, projected to reach 22,125 by 2040. The structure is 120 ft (36.5 m) long and 47 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was US-23 NB over Saline River built?
It was built in 1961, making it 64 years old in 2025.
What condition is US-23 NB over Saline 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 January 2025.
How much traffic does US-23 NB over Saline River carry?
About 19,825 vehicles per day (2020 count), of which roughly 18% are trucks.
How long is US-23 NB over Saline River?
The structure is 120 ft (36.5 m) long with a longest span of 50 ft (15.2 m) and a deck 47 ft wide.
Who owns US-23 NB over Saline River?
It is owned by the State Highway Agency.