Watertown Twsp 31 over Br Rainbow Ck * Kern
Washington County, Ohio · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Watertown Twsp 31 over Br Rainbow Ck * Kern in Washington 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 1990, making it 35 years old at the 2025 inventory.
- It carries about 209 vehicles a day (traffic count year 2015).
- Its listed owner is the county highway agency.
- It is one of 102 of the 306 inventoried bridges in Washington County rated fair (33.3%); 34 (11.1%) 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 May 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 → (39.49054, -81.56598)
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 45 ft |
| Location | 0.2 Mi W of Int T31 & CR4 |
| NBI structure number | 8436428 |
| Condition class | Fair |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | May 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 Washington County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| SR 7 over Duck Creek | 1966 | 24,836 | Good |
| Ir 77 over Ohio River CR 1 & CSX | 1965 | 19,477 | Fair |
| Ir 77 over Walking Path (pipe) | 1967 | 19,477 | Fair |
| Wv-618 over Ohio River WV 14 & CSX | 1980 | 16,602 | Fair |
| Usr 50 over SR 618 | 1964 | 15,419 | Good |
| Ir 77 over SR 7 | 1967 | 15,399 | Fair |
All bridges nearby: Washington County, OH bridge conditions · every bridge in Washington County · Ohio bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.