US 23 over over Olentangy Ave
Delaware County, Ohio · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- US 23 over over Olentangy Ave in Delaware 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 1966, making it 59 years old at the 2025 inventory.
- It carries about 17,148 vehicles a day (traffic count year 2015).
- Its listed owner is the state highway agency.
- It is one of 74 of the 266 inventoried bridges in Delaware County rated fair (27.8%); 9 (3.4%) are rated poor.
- 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 → (40.28444, -83.06634)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Deck | 7 | Good condition |
| Superstructure | 7 | Good condition |
| Substructure | 5 | Fair condition |
Bridge details
| Structure | Continuous concrete slab |
| Length | about 120 ft |
| Location | 2.1 Mi N. of SR315 |
| NBI structure number | 2100274 |
| Condition class | Fair |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Ohio department of transportation.
Busiest bridges in Delaware County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Ir-71 SB over Bale Kenyon Rd (TR107) | 2001 | 41,597 | Good |
| Ir-71 NB over over Bale-kenyon Rd TR10 | 2001 | 41,597 | Good |
| I-71 SB over Alum Creek | 1959 | 41,597 | Good |
| I-71 NB over Alum Creek | 1959 | 41,597 | Good |
| I-71 SB over over CR 21 (africa Rd.) | 1959 | 41,597 | Good |
| I-71 NB over CR 21 (africa Rd.) | 1959 | 41,597 | Good |
All bridges nearby: Delaware County, OH bridge conditions · every bridge in Delaware County · Ohio bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.