N3390 over Kickapoo Creek
Lincoln County, Oklahoma · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- N3390 over Kickapoo Creek in Lincoln County, Oklahoma, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the culvert, rated 6 (satisfactory condition) on the 0-9 scale.
- It was built in 1985, making it 40 years old at the 2025 inventory.
- It carries about 100 vehicles a day (traffic count year 2022).
- Its listed owner is the county highway agency.
- It is one of 232 of the 446 inventoried bridges in Lincoln County rated fair (52.0%); 70 (15.7%) 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 (culvert 7 to 6).
- Its most recent inspection on record is dated May 2024, on a 24-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 → (35.5894, -96.96387)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Culvert | 7 | 6 | Satisfactory condition |
Bridge details
| Structure | Concrete culvert |
| Length | about 24 ft |
| Location | 2 E .3 S of Ross |
| NBI structure number | 208770000000000 |
| Condition class | Fair |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | May 2024 |
| Inspection interval (item 91) | 24 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 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.