US-31 SB over Log RD & CSX RR (abn)
PoorOceana County, Michigan · 1.5 MI W of Hart · Structure no. 000000000008341
- Built
- 1975
- 50 years old
- Condition
- Poor
- inspected January 2025
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 164 ft
- 3 main spans
- Daily traffic
- 4,806
- 2007 count
- Owner
- State
- State Highway Agency
About this bridge
US-31 SB over Log RD & CSX RR (abn) is a prestressed concrete stringer/multi-beam or girder carrying US-31 SB over Log RD & CSX RR (abn) in Oceana County, Michigan. It was built in 1975, so it is 50 years old, older than the Michigan average of 48.3 years.
The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
It carries about 4,806 vehicles a day, roughly 10% of them trucks, projected to reach 7,122 by 2018. The structure is 164 ft (50 m) long and 54 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 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Substructure | 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 US-31 SB over Log RD & CSX RR (abn) built?
It was built in 1975, making it 50 years old in 2025.
What condition is US-31 SB over Log RD & CSX RR (abn) in?
The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in January 2025.
How much traffic does US-31 SB over Log RD & CSX RR (abn) carry?
About 4,806 vehicles per day (2007 count), of which roughly 10% are trucks.
How long is US-31 SB over Log RD & CSX RR (abn)?
The structure is 164 ft (50 m) long with a longest span of 55 ft (16.7 m) and a deck 54 ft wide.
Who owns US-31 SB over Log RD & CSX RR (abn)?
It is owned by the State Highway Agency.