Frank Smith Road over M Br Pere Marquette Riv
Lake County, Michigan · rated Poor in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Frank Smith Road over M Br Pere Marquette Riv in Lake County, Michigan, is rated in poor condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the superstructure, rated 4 (poor condition) on the 0-9 scale.
- It was built in 1929 and reconstructed in 1992, making it 96 years old at the 2025 inventory.
- It carries about 112 vehicles a day (traffic count year 2007).
- Its listed owner is the county highway agency.
- It is one of 5 of the 31 inventoried bridges in Lake County rated poor (16.1%); 5 (16.1%) are rated poor.
- Its traffic status in the 2025 inventory is posted for load (NBI item 41).
- Its condition class and component ratings are unchanged from the 2024 inventory.
- 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 → (43.88464, -85.6423)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 6 | 6 | Satisfactory condition |
| Superstructure | 4 | 4 | Poor condition |
| Substructure | 4 | 4 | Poor condition |
Bridge details
| Structure | Steel stringer or multi-beam girder |
| Length | about 21 ft |
| Location | In Chase |
| NBI structure number | 000000000005286 |
| 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 Lake County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| M-37 over Pere Marquette River | 1922 | 4,771 | Fair |
| M-37 over Baldwin Creek | 1929 | 4,771 | Fair |
| US-10 over Baldwin Creek | 1931 | 3,813 | Fair |
| US-10 over Sanborn Creek | 1934 | 3,813 | Fair |
| M-37 over Little Manistee River | 1939 | 2,500 | Good |
| 56 Th Street FH32 over Pere Marquette River | 1997 | 1,400 | Good |
All bridges nearby: Lake County, MI bridge conditions · every bridge in Lake County · Michigan bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.