E0510 over Hackberry CR. Oflow
Garfield County, Oklahoma · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- E0510 over Hackberry CR. Oflow in Garfield County, Oklahoma, is rated in good condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the culvert, rated 7 (good condition) on the 0-9 scale.
- It was built in 1946, making it 79 years old at the 2025 inventory.
- It carries about 350 vehicles a day (traffic count year 2022).
- Its listed owner is the county highway agency.
- It is one of 137 of the 505 inventoried bridges in Garfield County rated good (27.1%); 57 (11.3%) 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 April 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 → (36.27487, -97.82954)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Culvert | 7 | 7 | Good condition |
Bridge details
| Structure | Concrete culvert |
| Length | about 20 ft |
| Location | .4S 3.9E of Waukomis |
| NBI structure number | 103830000000000 |
| Condition class | Good |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | April 2024 |
| Inspection interval (item 91) | 24 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 Oklahoma department of transportation.
Busiest bridges in Garfield County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| U.S. 60 / U.S. 412 over Creek | 1937 | 20,800 | Good |
| U.S. 60 / U.S. 412 over Creek | 1960 | 20,800 | Fair |
| U.S. 60 over Bn-sf R.R. 2 Rds Under | 2020 | 13,800 | Good |
| E0410 (willow Rd.) over Creek | 1960 | 13,700 | Fair |
| U.S. 412 over Creek | 1969 | 12,800 | Good |
| U.S. 412 over Creek | 1975 | 12,800 | Fair |
All bridges nearby: Garfield County, OK bridge conditions · every bridge in Garfield County · Oklahoma bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.