Petersburg Road over Saline River
FairWashtenaw County, Michigan · York Twp Sec 33 & 34 · Structure no. 000000000011051
- Built
- 1989
- 36 years old
- Condition
- Fair
- inspected June 2023
- Type
- Slab
- Wood or Timber
- Length
- 72 ft
- 3 main spans
- Daily traffic
- 447
- 2003 count
- Owner
- County
- County Highway Agency
About this bridge
Petersburg Road over Saline River is a wood or timber slab carrying Petersburg Road over Saline River in Washtenaw County, Michigan. It was built in 1989, so it is 36 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 447 vehicles a day, roughly 6% of them trucks, projected to reach 533 by 2023. The structure is 72 ft (21.9 m) long and 32 ft wide. If it were closed, the detour would be 3.1 mi (5 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 | 7 Good | Some minor problems. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Petersburg Road over Saline River built?
It was built in 1989, making it 36 years old in 2025.
What condition is Petersburg Road 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 June 2023.
How much traffic does Petersburg Road over Saline River carry?
About 447 vehicles per day (2003 count), of which roughly 6% are trucks.
How long is Petersburg Road over Saline River?
The structure is 72 ft (21.9 m) long with a longest span of 24 ft (7.3 m) and a deck 32 ft wide.
Who owns Petersburg Road over Saline River?
It is owned by the County Highway Agency.