70TH Street over S Br Black River
Van Buren County, Michigan · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- 70TH Street over S Br Black River in Van Buren County, Michigan, is rated in good condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the deck, rated 7 (good condition) on the 0-9 scale.
- It was built in 1980, making it 45 years old at the 2025 inventory.
- It carries about 1,955 vehicles a day (traffic count year 2019).
- Its listed owner is the county highway agency.
- It is one of 37 of the 130 inventoried bridges in Van Buren County rated good (28.5%); 11 (8.5%) are rated poor.
- Its traffic status in the 2025 inventory is open, no restriction (NBI item 41).
- Its condition class and component ratings are unchanged from the 2024 inventory.
- Its most recent inspection on record is dated May 2024, on a 24-month routine inspection cycle.
- A good rating means every major component - deck, superstructure, substructure, or culvert - is rated 7 or higher on FHWA's 0-9 scale: no more than minor problems.
View this bridge on a map → (42.41547, -86.22546)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 7 | 7 | Good condition |
| Superstructure | 8 | 8 | Very good condition |
| Substructure | 7 | 7 | Good condition |
Bridge details
| Structure | Continuous prestressed concrete stringer or multi-beam girder |
| Length | about 101 ft |
| Location | 2.4 Mi NE of South Haven |
| NBI structure number | 000000000010770 |
| Condition class | Good |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | May 2024 |
| Inspection interval (item 91) | 24 months |
| Scour (item 113) | 5: foundations stable, scour within the limits of the footing or piles |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Michigan department of transportation.
Busiest bridges in Van Buren County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| 41 St Street over I-94 | 1960 | 36,000 | Fair |
| 24 Th Street over I-94 | 1959 | 35,000 | Fair |
| I-94 over Brush Creek | 1960 | 31,286 | Good |
| M-40 over E Br Paw Paw River | 1960 | 19,936 | Fair |
| I-94 EB over E Br of Paw Paw River | 1960 | 18,138 | Good |
| I-94 WB over E Br of Paw Paw River | 1960 | 18,138 | Good |
All bridges nearby: Van Buren County, MI bridge conditions · every bridge in Van Buren County · Michigan bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.