T49 Johnsons Mill over Stream Salt Fork
Guernsey County, Ohio · rated Poor in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- T49 Johnsons Mill over Stream Salt Fork in Guernsey County, Ohio, is rated in poor condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the deck, rated 4 (poor condition) on the 0-9 scale.
- It was built in 1910 and reconstructed in 2008, making it 115 years old at the 2025 inventory.
- It carries about 60 vehicles a day (traffic count year 2015).
- Its listed owner is the county highway agency.
- It is one of 34 of the 353 inventoried bridges in Guernsey County rated poor (9.6%); 34 (9.6%) are rated poor.
- Its traffic status in the 2025 inventory is posted for load (NBI item 41).
- Its class is unchanged from 2024 (poor), but component ratings moved: deck 5 to 4.
- Its most recent inspection on record is dated July 2024, on a 12-month routine inspection cycle.
- 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 → (40.00863, -81.247)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 5 | 4 | Poor condition |
| Superstructure | 7 | 7 | Good condition |
| Substructure | 4 | 4 | Poor condition |
Bridge details
| Structure | Steel stringer or multi-beam girder |
| Length | about 28 ft |
| Location | 4 Mi S I70 |
| NBI structure number | 3030229 |
| Condition class | Poor |
| Traffic status (item 41) | Posted for load |
| Last inspection (item 90) | July 2024 |
| Inspection interval (item 91) | 12 months |
| Scour (item 113) | 4: foundations stable, field review says exposed foundations need protection |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Ohio department of transportation.
Busiest bridges in Guernsey County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| SR 209 over SR 209 over I-70 | 1963 | 26,408 | Good |
| South Bound Ir 77 over Ir 77 over CR 35 | 1968 | 24,000 | Good |
| North Bound I-77 over I 77 over CR 35 | 1968 | 24,000 | Good |
| North Bound I-77 over NB Ir 77 over Spillway | 1968 | 24,000 | Good |
| I-70 West Bound over Ir 70 over Ohio Cent RR | 1965 | 20,673 | Fair |
| I-70 East Bound over Ir 70 over CSX RR | 1965 | 20,673 | Fair |
All bridges nearby: Guernsey County, OH bridge conditions · every bridge in Guernsey County · Ohio bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.