Mercerville Rd over Indian Guyan Creek
Gallia County, Ohio · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Mercerville Rd over Indian Guyan Creek in Gallia County, Ohio, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the substructure, rated 5 (fair condition) on the 0-9 scale.
- It was built in 1965, making it 60 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 137 of the 237 inventoried bridges in Gallia County rated fair (57.8%); 12 (5.1%) 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 July 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 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 → (38.66086, -82.29114)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 6 | 6 | Satisfactory condition |
| Superstructure | 6 | 6 | Satisfactory condition |
| Substructure | 5 | 5 | Fair condition |
Bridge details
| Structure | Steel through truss |
| Length | about 52 ft |
| Location | .71 M S of State Rt 790 |
| NBI structure number | 2738260 |
| Condition class | Fair |
| Traffic status (item 41) | Posted for load |
| Last inspection (item 90) | July 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 Gallia County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Usr 35 over SR 7 | 1969 | 24,448 | Fair |
| US 35-silver Memor over Ohio River | 1969 | 22,900 | Fair |
| SR 160 over Chickamauga Ck&wb Rmp 3 | 1969 | 18,710 | Fair |
| SR 160 over Mccormicks Creek | 1997 | 18,710 | Good |
| SR 160 over Chickamauga Ck&eb Rmp 3 | 1969 | 17,850 | Good |
| SR 160 over Chickamauga Creek | 2016 | 14,568 | Good |
All bridges nearby: Gallia County, OH bridge conditions · every bridge in Gallia County · Ohio bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.