Local 15.5-16.3 over Marais Des Cygnes River
Franklin County, Kansas · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Local 15.5-16.3 over Marais Des Cygnes River in Franklin 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 1985, making it 40 years old at the 2025 inventory.
- It carries about 40 vehicles a day (traffic count year 2010).
- Its listed owner is the county highway agency.
- It is one of 180 of the 332 inventoried bridges in Franklin County rated good (54.2%); 14 (4.2%) 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 → (38.61129, -95.20641)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 7 | 7 | Good condition |
| Superstructure | 8 | 8 | Very good condition |
| Substructure | 8 | 8 | Very good condition |
Bridge details
| Structure | Continuous steel stringer or multi-beam girder |
| Length | about 315 ft |
| Location | 3.3E of Ottawa |
| NBI structure number | 000301049304905 |
| 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) | 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 Franklin County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| US59 Hwy over Rock Creek Drainage | 1980 | 12,700 | Good |
| US59 Hwy over Rock Creek | 1980 | 12,700 | Good |
| I35 Hwy SB over Walnut Creek | 1957 | 11,016 | Good |
| I35 Hwy NB over Walnut Creek | 1957 | 11,016 | Good |
| I35 Hwy SB over Mar Des Cyg Riv Pd Pass | 1958 | 10,506 | Fair |
| I35 Hwy NB over Mar Des Cyg Riv Pd Pass | 1958 | 10,506 | Fair |
All bridges nearby: Franklin County, KS bridge conditions · every bridge in Franklin County · Kansas bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.