SR 45 over Three Brothers Creek
Ashtabula County, Ohio · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- SR 45 over Three Brothers Creek in Ashtabula County, Ohio, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the deck, rated 6 (satisfactory condition) on the 0-9 scale.
- It was built in 1978, making it 47 years old at the 2025 inventory.
- It carries about 3,815 vehicles a day (traffic count year 2015).
- Its listed owner is the state highway agency.
- It is one of 82 of the 304 inventoried bridges in Ashtabula County rated fair (27.0%); 10 (3.3%) 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 September 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 → (41.68818, -80.85512)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 6 | 6 | Satisfactory condition |
| Superstructure | 6 | 6 | Satisfactory condition |
| Substructure | 7 | 7 | Good condition |
Bridge details
| Structure | Prestressed concrete multiple box beam |
| Length | about 48 ft |
| Location | 5.80 Mi N of US 6 |
| NBI structure number | 0402435 |
| Condition class | Fair |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | September 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 Ashtabula County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| I.r. 90 over over W Reserve Greenwy T | 2013 | 24,635 | Good |
| US 20 over over Atb-sr 11-26.86 | 1963 | 17,550 | Good |
| US 20 over Ashtabula Viaduct | 2000 | 14,871 | Fair |
| Ir 90 over over Norfolk Southern RR | 1959 | 12,705 | Good |
| Ir 90 over over Norfolk Southern RR | 1959 | 12,705 | Good |
| I.r. 90 over Ashtabula River | 1959 | 12,705 | Good |
All bridges nearby: Ashtabula County, OH bridge conditions · every bridge in Ashtabula County · Ohio bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.