N3460 over Turner Tp (I-44) Under
Lincoln County, Oklahoma · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- N3460 over Turner Tp (I-44) Under in Lincoln County, Oklahoma, 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 2019, making it 6 years old at the 2025 inventory.
- It carries about 5,000 vehicles a day (traffic count year 2022).
- It is one of 144 of the 446 inventoried bridges in Lincoln County rated good (32.3%); 70 (15.7%) 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 June 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 → (35.72749, -96.84049)
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 stringer or multi-beam girder |
| Length | about 341 ft |
| Location | 34.1NE of I-35 Jct |
| NBI structure number | 327210000000000 |
| Condition class | Good |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | June 2024 |
| Inspection interval (item 91) | 24 months |
| Scour (item 113) | N: not over a waterway |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Oklahoma department of transportation.
Busiest bridges in Lincoln County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Turner Tp (I-44) over Slwc R.R. Under | 1953 | 24,900 | Good |
| Turner Tp (I-44) over Captain Creek | 1953 | 24,900 | Good |
| Turner Tp (I-44) over Deep Fork River | 1953 | 24,900 | Good |
| Turner Tp (I-44) over N3300 Under | 2004 | 24,900 | Good |
| Turner Tp (I-44) over County Rd Ns-3410 Under | 2013 | 24,900 | Good |
| Turner Tp (I-44) over County Rd Ns-3310 Under | 2014 | 24,900 | Good |
All bridges nearby: Lincoln County, OK bridge conditions · every bridge in Lincoln County · Oklahoma bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.