Township Road 1550 over Muddy Fork
Ashland County, Ohio · rated Poor in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Township Road 1550 over Muddy Fork in Ashland County, Ohio, 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 1932, making it 93 years old at the 2025 inventory.
- It carries about 97 vehicles a day (traffic count year 2013).
- Its listed owner is the county highway agency.
- It is one of 7 of the 283 inventoried bridges in Ashland County rated poor (2.5%); 7 (2.5%) 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 September 2024, on a 12-month routine inspection cycle.
- It has fracture-critical members (NBI item 92A): steel tension members without a redundant load path, which get their own scheduled inspections.
- 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 → (40.83639, -82.13764)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 8 | 8 | Very good condition |
| Superstructure | 4 | 4 | Poor condition |
| Substructure | 6 | 6 | Satisfactory condition |
Bridge details
| Structure | Steel through truss |
| Length | about 102 ft |
| Location | .27 Mi E of Tr 65 |
| NBI structure number | 0334987 |
| Condition class | Poor |
| Traffic status (item 41) | Posted for load |
| Last inspection (item 90) | September 2024 |
| Inspection interval (item 91) | 12 months |
| Scour (item 113) | 5: foundations stable, scour within the limits of the footing or piles |
| Fracture critical (item 92A) | Yes |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Ohio department of transportation.
Busiest bridges in Ashland County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Ir 71 over Jamison Creek | 1959 | 47,296 | Good |
| Ir 71 over Katotawa Creek | 1959 | 23,727 | Good |
| Ir 71 over Katotawa Creek | 1959 | 23,727 | Good |
| Ir 71 over over Asd-0251-1117 Ch | 1959 | 23,727 | Good |
| Ir 71 over over Asd-0251-1115 Ch | 1959 | 23,727 | Good |
| Ir 71 over over Asd-175-1072redhawc | 1959 | 23,727 | Good |
All bridges nearby: Ashland County, OH bridge conditions · every bridge in Ashland County · Ohio bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.