I670 WB Exit Rp Wc over Central Ave UP RR
Wyandotte County, Kansas · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- I670 WB Exit Rp Wc over Central Ave UP RR in Wyandotte County, Kansas, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the substructure, rated 6 (satisfactory condition) on the 0-9 scale.
- It was built in 1990, making it 35 years old at the 2025 inventory.
- It carries about 3,570 vehicles a day (traffic count year 2023).
- Its listed owner is the state highway agency.
- It is one of 108 of the 316 inventoried bridges in Wyandotte County rated fair (34.2%); 9 (2.8%) 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 September 2024, on a 12-month routine inspection cycle.
- It has fracture-critical members (NBI item 92A): steel tension members without a redundant load path, which get their own scheduled inspections.
- 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 → (39.10083, -94.61694)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 7 | 7 | Good condition |
| Superstructure | 7 | 7 | Good condition |
| Substructure | 6 | 6 | Satisfactory condition |
Bridge details
| Structure | Continuous steel girder and floorbeam |
| Length | about 2,428 ft |
| Location | 0.86 Mi E Mill St. |
| NBI structure number | 999967001052471 |
| Condition class | Fair |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | September 2024 |
| Inspection interval (item 91) | 12 months |
| Scour (item 113) | N: not over a waterway |
| Fracture critical (item 92A) | Yes |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Kansas department of transportation.
Busiest bridges in Wyandotte County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| I35 Hwy SB over Turkey CR Fox Rdg Dr | 1959 | 52,500 | Good |
| I35 Hwy NB over Turkey Creek Nall Ave | 1959 | 52,500 | Good |
| I35 Hwy SB over Roe Blvd | 1959 | 52,500 | Good |
| I35 Hwy NB over Roe Blvd | 1959 | 52,500 | Good |
| I35 Hwy SB over Turkey CR Mill Street | 1961 | 52,500 | Good |
| I35 Hwy NB over Turkey CR Mill Street | 1961 | 52,500 | Good |
All bridges nearby: Wyandotte County, KS bridge conditions · every bridge in Wyandotte County · Kansas bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.