N3210 Dory Road over Walnut Bayou Trib.
Love County, Oklahoma · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- N3210 Dory Road over Walnut Bayou Trib. in Love County, Oklahoma, is rated in good condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the culvert, rated 8 (very good condition) on the 0-9 scale.
- It was built in 2021, making it 4 years old at the 2025 inventory.
- It carries about 800 vehicles a day (traffic count year 2022).
- Its listed owner is the county highway agency.
- It is one of 57 of the 134 inventoried bridges in Love County rated good (42.5%); 2 (1.5%) 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 February 2023, 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 → (33.96941, -97.28243)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Culvert | 8 | 8 | Very good condition |
Bridge details
| Structure | Concrete culvert |
| Length | about 32 ft |
| Location | 2.5N 9.5W of MARIETTA |
| NBI structure number | 323460000000000 |
| Condition class | Good |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | February 2023 |
| 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 Love County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| I-35 NB on Ramp over I-35 NB Off Ramp Rogers | 2014 | 27,400 | Good |
| I-35 over Clouds Branch Creek | 1962 | 25,500 | Fair |
| I-35 NB over Red River | 1957 | 24,350 | Fair |
| I-35 SB over Red River | 1965 | 24,201 | Fair |
| I-35 NB over U.S. 77 Under | 2005 | 19,750 | Good |
| I-35 SB over U.S. 77 Under | 2006 | 19,600 | Good |
All bridges nearby: Love County, OK bridge conditions · every bridge in Love County · Oklahoma bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.