N4220 over Little Dog Creek
Rogers County, Oklahoma · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- N4220 over Little Dog Creek in Rogers County, Oklahoma, 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 2010, making it 15 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 124 of the 272 inventoried bridges in Rogers County rated fair (45.6%); 25 (9.2%) 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 → (36.44167, -95.48972)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Deck | 8 | Very good condition |
| Superstructure | 6 | Satisfactory condition |
| Substructure | 8 | Very good condition |
Bridge details
| Structure | Concrete frame |
| Length | about 42 ft |
| Location | 1.7S of S.H. 66 |
| NBI structure number | 293950000000000 |
| Condition class | Fair |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Oklahoma department of transportation.
Busiest bridges in Rogers County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| I-44 / U.S. 412 over 193RD E. Ave. Under | 2010 | 65,600 | Good |
| I-44 over 163RD E. Ave. Under | 2010 | 65,600 | Good |
| I-44 over N 177TH E Ave (lynn Ln) | 2014 | 65,600 | Good |
| I-44 WB over S.H. 66 EB Under | 1957 | 44,400 | Fair |
| I-44 /U.S. 412 Rmp over Creek | 2010 | 33,350 | Good |
| S.H. 66 over Creek | 1957 | 28,000 | Fair |
All bridges nearby: Rogers County, OK bridge conditions · every bridge in Rogers County · Oklahoma bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.