Benn Road over Sandstone Creek
Jackson County, Michigan · rated Poor in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Benn Road over Sandstone Creek in Jackson County, Michigan, is rated in poor condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the superstructure, rated 3 (serious condition) on the 0-9 scale.
- It was built in 1939, making it 86 years old at the 2025 inventory.
- It carries about 396 vehicles a day (traffic count year 2018).
- Its listed owner is the county highway agency.
- It is one of 17 of the 158 inventoried bridges in Jackson County rated poor (10.8%); 17 (10.8%) are rated poor.
- A poor rating means at least one major component - deck, superstructure, or substructure - is rated 4 or lower on FHWA's 0-9 scale. It does not by itself mean the bridge is unsafe; bridges judged unsafe are closed or load-restricted by their owners.
View this bridge on a map → (42.29579, -84.56022)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Deck | 5 | Fair condition |
| Superstructure | 3 | Serious condition |
| Substructure | 5 | Fair condition |
Bridge details
| Structure | Steel stringer or multi-beam girder |
| Length | about 48 ft |
| Location | 1.6 Mi E 2.0 Mi N Parma |
| NBI structure number | 000000000004479 |
| Condition class | Poor |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Michigan department of transportation.
Busiest bridges in Jackson County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Elm Rd over I-94 | 2022 | 54,000 | Good |
| Airport Rd over I-94 | 1958 | 46,000 | Fair |
| Whipple Rd over I-94 | 1960 | 38,000 | Fair |
| Sandstone Rd over I-94 | 1958 | 34,000 | Fair |
| I-94 EB over Jail RR & Grand River | 2019 | 33,550 | Good |
| I-94 WB over Jail RR & Grand River | 2020 | 33,550 | Good |
All bridges nearby: Jackson County, MI bridge conditions · every bridge in Jackson County · Michigan bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.