Township Road 170 over Little Muddy Creek
Sandusky County, Ohio · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Township Road 170 over Little Muddy Creek in Sandusky County, Ohio, 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 1958, making it 67 years old at the 2025 inventory.
- It carries about 315 vehicles a day (traffic count year 2015).
- Its listed owner is the county highway agency.
- It is one of 204 of the 303 inventoried bridges in Sandusky County rated good (67.3%); 8 (2.6%) 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 October 2024, on a 12-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 → (41.43, -83.10667)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 7 | 7 | Good condition |
| Superstructure | 7 | 7 | Good condition |
| Substructure | 7 | 7 | Good condition |
Bridge details
| Structure | Continuous concrete slab |
| Length | about 56 ft |
| Location | 0.535 Mi. N. OF CR 119 |
| NBI structure number | 7238126 |
| Condition class | Good |
| Traffic status (item 41) | Posted for load |
| Last inspection (item 90) | October 2024 |
| Inspection interval (item 91) | 12 months |
| Scour (item 113) | 8: foundations stable, scour above the top of the footing |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Ohio department of transportation.
Busiest bridges in Sandusky County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Four Mile House Rd over I80 Ohio Tpk | 1954 | 300,000 | Fair |
| I80 Oh Tpk over Trapp Rd | 1954 | 43,463 | Fair |
| I80 Oh Tpk over Toussaint Creek | 1954 | 43,463 | Fair |
| I80 Oh Tpk over Lime Rd | 1954 | 43,463 | Fair |
| I80 Oh Tpk over Wolf Creek | 1954 | 43,463 | Fair |
| I80 Oh Tpk over Inland Trail (abd RR) | 1954 | 43,463 | Fair |
All bridges nearby: Sandusky County, OH bridge conditions · every bridge in Sandusky County · Ohio bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.