Alliance Road over Willow Creek
Portage County, Ohio · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Alliance Road over Willow Creek in Portage County, Ohio, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the culvert, rated 6 (satisfactory condition) on the 0-9 scale.
- It was built in 1940, making it 85 years old at the 2025 inventory.
- It carries about 325 vehicles a day (traffic count year 2015).
- Its listed owner is the county highway agency.
- It is one of 90 of the 217 inventoried bridges in Portage County rated fair (41.5%); 18 (8.3%) are rated poor.
- Its traffic status in the 2025 inventory is open, no restriction (NBI item 41).
- Its condition class and component ratings are unchanged from the 2024 inventory.
- Its most recent inspection on record is dated November 2024, on a 12-month routine inspection cycle.
- 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 → (41.0325, -81.09861)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Culvert | 6 | 6 | Satisfactory condition |
Bridge details
| Structure | Concrete culvert |
| Length | about 29 ft |
| Location | Willow Creek |
| NBI structure number | 6739660 |
| Condition class | Fair |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | November 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 Ohio department of transportation.
Busiest bridges in Portage County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| IR76 over Plum Creek | 1964 | 51,725 | Good |
| Ir 76 over over Tallmadge Rd Cr-18 | 1964 | 45,925 | Good |
| I80 Oh Tpk over SR43 | 1954 | 39,896 | Fair |
| I80 Oh Tpk over Cuyahoga River | 1954 | 39,896 | Fair |
| I80 Oh Tpk over Infirmary-black Brook Rd | 1954 | 39,896 | Fair |
| I80 Oh Tpk over Ditch | 1954 | 39,896 | Good |
All bridges nearby: Portage County, OH bridge conditions · every bridge in Portage County · Ohio bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.