87th over Cowskin Creek
Sedgwick County, Kansas · rated Poor in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- 87th over Cowskin Creek in Sedgwick County, Kansas, is rated in poor condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the deck, rated 4 (poor condition) on the 0-9 scale.
- It was built in 1981, making it 44 years old at the 2025 inventory.
- It carries about 512 vehicles a day (traffic count year 2022).
- Its listed owner is the county highway agency.
- It is one of 39 of the 1,339 inventoried bridges in Sedgwick County rated poor (2.9%); 39 (2.9%) are rated poor.
- Its traffic status in the 2025 inventory is posted for load (NBI item 41).
- Its condition class and component ratings are unchanged from the 2024 inventory.
- Its most recent inspection on record is dated October 2024, on a 24-month routine inspection cycle.
- A poor rating means at least one major component - deck, superstructure, or substructure - is rated 4 or lower on FHWA's 0-9 scale. It does not by itself mean the bridge is unsafe; bridges judged unsafe are closed or load-restricted by their owners.
View this bridge on a map → (37.53535, -97.34152)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 4 | 4 | Poor condition |
| Superstructure | 4 | 4 | Poor condition |
| Substructure | 4 | 4 | Poor condition |
Bridge details
| Structure | Continuous steel stringer or multi-beam girder |
| Length | about 121 ft |
| Location | 87thS 0.6 E of Seneca |
| NBI structure number | 000870819606400 |
| Condition class | Poor |
| Traffic status (item 41) | Posted for load |
| Last inspection (item 90) | October 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 Sedgwick County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| K 96 Hwy over Middle Fork Chisolm Crk | 2023 | 59,400 | Good |
| I-235 Hwy over I-235 HWY I-135 Ramps | 2023 | 59,400 | Good |
| K 96 Hwy WB over BNSF RR | 2022 | 59,400 | Good |
| US54/US400 Hwy WB over BNSF Railroad | 1953 | 59,000 | Fair |
| US 54 Hw EB over BNSF & Ko RR & Streets | 1979 | 59,000 | Good |
| US-54 Hwy WB over City Sts/arkansas River | 1994 | 59,000 | Good |
All bridges nearby: Sedgwick County, KS bridge conditions · every bridge in Sedgwick County · Kansas bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.