I-75 SB to US-23 N over I-75 NB
FairArenac County, Michigan · 5.0 MI SW of Standish · Structure no. 000000000000428
- Built
- 1968
- 57 years old
- Condition
- Fair
- inspected October 2024
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 346 ft
- 5 main spans
- Daily traffic
- 2,283
- 2007 count
- Owner
- State
- State Highway Agency
About this bridge
I-75 SB to US-23 N over I-75 NB is a steel stringer/multi-beam or girder carrying I-75 SB to US-23 N over I-75 NB in Arenac County, Michigan. It was built in 1968, so it is 57 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 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 2,283 vehicles a day, roughly 8% of them trucks, projected to reach 3,528 by 2018. The structure is 346 ft (105.6 m) long and 27 ft wide.
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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was I-75 SB to US-23 N over I-75 NB built?
It was built in 1968, making it 57 years old in 2025.
What condition is I-75 SB to US-23 N over I-75 NB 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 I-75 SB to US-23 N over I-75 NB carry?
About 2,283 vehicles per day (2007 count), of which roughly 8% are trucks.
How long is I-75 SB to US-23 N over I-75 NB?
The structure is 346 ft (105.6 m) long with a longest span of 95 ft (29 m) and a deck 27 ft wide.
Who owns I-75 SB to US-23 N over I-75 NB?
It is owned by the State Highway Agency.