70th Street over S Br Black River
GoodVan Buren County, Michigan · 2.4 MI NE of South Haven · Structure no. 000000000010770
- Built
- 1980
- 45 years old
- Condition
- Good
- inspected May 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete Continuous
- Length
- 101 ft
- 3 main spans
- Daily traffic
- 1,955
- 2019 count
- Owner
- County
- County Highway Agency
About this bridge
70th Street over S Br Black River is a prestressed concrete continuous stringer/multi-beam or girder carrying 70th Street over S Br Black River in Van Buren County, Michigan. It was built in 1980, so it is 45 years old, younger than the Michigan average of 48.3 years.
The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 1,955 vehicles a day, roughly 2% of them trucks, projected to reach 2,160 by 2039. The structure is 101 ft (30.9 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
All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| Superstructure | 8 Very Good | No problems noted. |
| Substructure | 7 Good | Some minor problems. |
| 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 70th Street over S Br Black River built?
It was built in 1980, making it 45 years old in 2025.
What condition is 70th Street over S Br Black River in?
The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in May 2024.
How much traffic does 70th Street over S Br Black River carry?
About 1,955 vehicles per day (2019 count), of which roughly 2% are trucks.
How long is 70th Street over S Br Black River?
The structure is 101 ft (30.9 m) long with a longest span of 34 ft (10.3 m) and a deck 32 ft wide.
Who owns 70th Street over S Br Black River?
It is owned by the County Highway Agency.