8th St over Dry Branch
Riley County, Kansas · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- 8th St over Dry Branch in Riley County, Kansas, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the superstructure, rated 5 (fair condition) on the 0-9 scale.
- It was built in 1973 and reconstructed in 1993, making it 52 years old at the 2025 inventory.
- It carries about 20 vehicles a day (traffic count year 2018).
- Its listed owner is a city or municipal highway agency.
- It is one of 87 of the 225 inventoried bridges in Riley County rated fair (38.7%); 10 (4.4%) are rated poor.
- Its traffic status in the 2025 inventory is posted for load (NBI item 41).
- Its class is unchanged from 2024 (fair), but component ratings moved: superstructure 6 to 5, substructure 6 to 5.
- Its most recent inspection on record is dated December 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 → (39.10951, -96.7076)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 6 | 6 | Satisfactory condition |
| Superstructure | 6 | 5 | Fair condition |
| Substructure | 6 | 5 | Fair condition |
Bridge details
| Structure | Continuous steel stringer or multi-beam girder |
| Length | about 50 ft |
| Location | 8th and S Park |
| NBI structure number | 521100810000001 |
| Condition class | Fair |
| Traffic status (item 41) | Posted for load |
| Last inspection (item 90) | December 2024 |
| Inspection interval (item 91) | 24 months |
| Scour (item 113) | U: unknown foundation, not evaluated for scour |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Kansas department of transportation.
Busiest bridges in Riley County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| K-113 Hwy over Wildcat Creek | 1993 | 22,777 | Good |
| K113 Hwy over Anderson Ave | 1968 | 16,683 | Good |
| Kimball Ave over Drainage Ditch | 2021 | 11,780 | Good |
| K-18 over Wildcat Creek | 2021 | 11,589 | Good |
| K-18 Hwy WB over K-113 Hwy | 2007 | 11,539 | Good |
| K-18 Hwy EB over K-113 Hwy | 2004 | 11,539 | Good |
All bridges nearby: Riley County, KS bridge conditions · every bridge in Riley County · Kansas bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.