Co Line Local Rd over US36 Hwy
Doniphan County, Kansas · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Co Line Local Rd over US36 Hwy in Doniphan County, Kansas, is rated in good condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the superstructure, rated 7 (good condition) on the 0-9 scale.
- It was built in 1977, making it 48 years old at the 2025 inventory.
- It carries about 46 vehicles a day (traffic count year 2023).
- Its listed owner is the state highway agency.
- It is one of 65 of the 128 inventoried bridges in Doniphan County rated good (50.8%); 11 (8.6%) 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 June 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 → (39.84194, -95.33972)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 8 | 8 | Very good condition |
| Superstructure | 7 | 7 | Good condition |
| Substructure | 7 | 7 | Good condition |
Bridge details
| Structure | Continuous prestressed concrete stringer or multi-beam girder |
| Length | about 268 ft |
| Location | 9.99 Mi E of Jct 73&36 |
| NBI structure number | 999903600220231 |
| Condition class | Good |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | June 2023 |
| Inspection interval (item 91) | 24 months |
| Scour (item 113) | N: not over a waterway |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Kansas department of transportation.
Busiest bridges in Doniphan County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| US-36 Hwy WB over Old K-238 Hwy | 1983 | 8,413 | Good |
| US 36 W over Missouri Rvr | 1983 | 8,227 | Fair |
| US 36 E over Missouri Rvr | 1983 | 7,009 | Fair |
| US-36 Hwy EB over Old K-238 Hwy | 1983 | 5,848 | Good |
| US36 Hwy over Williams Creek | 1953 | 5,531 | Good |
| US36 Hwy over Peters Creek Drainage | 1953 | 5,531 | Fair |
All bridges nearby: Doniphan County, KS bridge conditions · every bridge in Doniphan County · Kansas bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.