SR 161 over Olentangy River
Franklin County, Ohio · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- SR 161 over Olentangy River in Franklin County, Ohio, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the superstructure, rated 6 (satisfactory condition) on the 0-9 scale.
- It was built in 1980, making it 45 years old at the 2025 inventory.
- It carries about 25,076 vehicles a day (traffic count year 2015).
- Its listed owner is the state highway agency.
- It is one of 238 of the 920 inventoried bridges in Franklin County rated fair (25.9%); 27 (2.9%) are rated poor.
- Its traffic status in the 2025 inventory is open, no restriction (NBI item 41).
- It was rated good in the 2024 inventory and is now fair (deck 8 to 7, superstructure 8 to 6, substructure 8 to 6).
- Its most recent inspection on record is dated October 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 → (40.08939, -83.03442)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 8 | 7 | Good condition |
| Superstructure | 8 | 6 | Satisfactory condition |
| Substructure | 8 | 6 | Satisfactory condition |
Bridge details
| Structure | Prestressed concrete stringer or multi-beam girder |
| Length | about 329 ft |
| Location | 0.12 Mi E of SR315 |
| NBI structure number | 2508966 |
| Condition class | Fair |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | October 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 Franklin County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Rmp (161wb-270sb) over over Ramp (161wb-270sb) | 2007 | 181,641 | Good |
| I-270 Eb/wb over Olentangy River | 1969 | 180,261 | Good |
| I-270 over over NS & Csxt Railroads | 1966 | 172,736 | Good |
| I-270 over over Worthington-galena | 1966 | 172,736 | Good |
| I270 over Ramp 270WB to 71SB | 1966 | 163,950 | Fair |
| IR71 over over CSX & NS RR | 1993 | 160,570 | Good |
All bridges nearby: Franklin County, OH bridge conditions · every bridge in Franklin County · Ohio bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.