Unger over Little Blackjack Branch
Hocking County, Ohio · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Unger over Little Blackjack Branch in Hocking County, Ohio, is rated in good condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the deck, rated 8 (very good condition) on the 0-9 scale.
- It was built in 1999, making it 26 years old at the 2025 inventory.
- It carries about 32 vehicles a day (traffic count year 2015).
- Its listed owner is the county highway agency.
- It is one of 224 of the 295 inventoried bridges in Hocking County rated good (75.9%); 2 (0.7%) 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 August 2024, on a 24-month routine inspection cycle.
- A good rating means every major component - deck, superstructure, substructure, or culvert - is rated 7 or higher on FHWA's 0-9 scale: no more than minor problems.
View this bridge on a map → (39.46487, -82.52069)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 8 | 8 | Very good condition |
| Superstructure | 8 | 8 | Very good condition |
| Substructure | 8 | 8 | Very good condition |
Bridge details
| Structure | Prestressed concrete multiple box beam |
| Length | about 44 ft |
| Location | 3.35 Mi N of SR 664 |
| NBI structure number | 3732371 |
| Condition class | Good |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | August 2024 |
| Inspection interval (item 91) | 24 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 Hocking County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Usr 33 Ramp over Ramp B over Five Mile CR | 1994 | 15,340 | Good |
| Usr 33 Ramp over Ramp D over Five Mile CR | 1994 | 15,340 | Good |
| SR 93 over C&o Railroad | 1969 | 12,367 | Poor |
| Usr 33 over Clear Creek | 1964 | 11,674 | Fair |
| Usr 33 over Clear Creek | 1935 | 11,674 | Fair |
| Usr 33 over Buck Run | 1965 | 11,674 | Good |
All bridges nearby: Hocking County, OH bridge conditions · every bridge in Hocking County · Ohio bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.