Rotunda Drive over Rouge River (re-located)
Wayne County, Michigan · rated Poor in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Rotunda Drive over Rouge River (re-located) in Wayne County, Michigan, is rated in poor condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the substructure, rated 3 (serious condition) on the 0-9 scale.
- It was built in 1964, making it 61 years old at the 2025 inventory.
- It carries about 30,846 vehicles a day (traffic count year 1995).
- Its listed owner is the county highway agency.
- It is one of 116 of the 1,035 inventoried bridges in Wayne County rated poor (11.2%); 116 (11.2%) are rated poor.
- Its traffic status in the 2025 inventory is posted for load (NBI item 41).
- Its class is unchanged from 2024 (poor), but component ratings moved: substructure 4 to 3.
- Status change: newly posted for load since 2024.
- Its most recent inspection on record is dated April 2024, on a 12-month routine inspection cycle.
- 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 → (42.30116, -83.19913)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 5 | 5 | Fair condition |
| Superstructure | 5 | 5 | Fair condition |
| Substructure | 4 | 3 | Serious condition |
Bridge details
| Structure | Prestressed concrete stringer or multi-beam girder |
| Length | about 375 ft |
| Location | Dearborn E/southfield |
| NBI structure number | 000000000012049 |
| Condition class | Poor |
| Traffic status (item 41) | Posted for load |
| Last inspection (item 90) | April 2024 |
| Inspection interval (item 91) | 12 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 Wayne County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| I-94 over Gtw NS CR RR & Russel | 2000 | 180,032 | Good |
| I-94 over I-75 | 1962 | 180,032 | Fair |
| Rmp I-96E to I-75N over I-96 WB | 1970 | 179,000 | Fair |
| I-75 over Ramp to Davison(m-8) | 1969 | 166,750 | Fair |
| I-96 over Rouge River | 1970 | 164,804 | Good |
| I-75 over Conrail RR | 1969 | 152,325 | Good |
All bridges nearby: Wayne County, MI bridge conditions · every bridge in Wayne County · Michigan bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.