Strasburg Rd over Lockwood Drain
Monroe County, Michigan · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Strasburg Rd over Lockwood Drain in Monroe County, Michigan, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the substructure, rated 6 (satisfactory condition) on the 0-9 scale.
- It was built in 1935 and reconstructed in 1995, making it 90 years old at the 2025 inventory.
- It carries about 937 vehicles a day (traffic count year 2010).
- Its listed owner is the county highway agency.
- It is one of 166 of the 299 inventoried bridges in Monroe County rated fair (55.5%); 40 (13.4%) are rated poor.
- A fair rating means the lowest-rated major component scores 5 or 6 on FHWA's 0-9 scale: some deterioration or minor section loss, but the structure is sound. It is the middle class, not a warning.
View this bridge on a map → (41.87533, -83.51286)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Deck | 7 | Good condition |
| Superstructure | 7 | Good condition |
| Substructure | 6 | Satisfactory condition |
Bridge details
| Structure | Timber slab |
| Length | about 29 ft |
| Location | 0.1 Mi N of S Otter Ck Rd |
| NBI structure number | 000000000007239 |
| Condition class | Fair |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Michigan department of transportation.
Busiest bridges in Monroe County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| I-75 over Conrail Raisin R Front | 1955 | 67,800 | Poor |
| I-75 over NS & Cn Railroad | 1956 | 65,200 | Good |
| I-75 over Norfolk Southern RR | 1955 | 65,200 | Fair |
| I-75 over Sandy Creek Rd | 1955 | 65,200 | Fair |
| I-75 over Paper Co Water Mains | 1955 | 63,962 | Fair |
| I-75 over Norfolk Southern RR | 1955 | 63,962 | Fair |
All bridges nearby: Monroe County, MI bridge conditions · every bridge in Monroe County · Michigan bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.