320 Ave (north) over Bow Creek
Graham County, Kansas · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- 320 Ave (north) over Bow Creek in Graham County, Kansas, is rated in good condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the deck, rated 7 (good condition) on the 0-9 scale.
- It was built in 2014, making it 11 years old at the 2025 inventory.
- It carries about 25 vehicles a day (traffic count year 2020).
- Its listed owner is the county highway agency.
- It is one of 73 of the 142 inventoried bridges in Graham County rated good (51.4%); 10 (7.0%) 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 May 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 → (39.5531, -99.75132)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 7 | 7 | Good condition |
| Superstructure | 7 | 7 | Good condition |
| Substructure | 7 | 7 | Good condition |
Bridge details
| Structure | Steel stringer or multi-beam girder |
| Length | about 35 ft |
| Location | 5.0 S of Edmund |
| NBI structure number | 000330561003621 |
| Condition class | Good |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | May 2024 |
| Inspection interval (item 91) | 24 months |
| Scour (item 113) | 5: foundations stable, scour within the limits of the footing or piles |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Kansas department of transportation.
Busiest bridges in Graham County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| US283 Hwy over S Fk Solomon R Drainage | 1936 | 1,790 | Good |
| US24 Hwy over S Fk Solomon R Drainage | 1933 | 1,453 | Good |
| US24 Hwy over S Fk Solomon R Drainage | 1963 | 1,453 | Good |
| US24 Hwy over S Fk Solomon R Drainage | 1933 | 1,453 | Good |
| US283 Hwy over South Fork Solomon River | 1963 | 1,418 | Good |
| US283 Hwy over Saline R Drainage | 1967 | 1,324 | Fair |
All bridges nearby: Graham County, KS bridge conditions · every bridge in Graham County · Kansas bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.