US Bridges

K15 HWY over French Creek

Good

Marion County, Kansas · 1.60 MI N US56 Ejct · Structure no. 999901500570341

Built
1943
82 years old, rebuilt 1964
Condition
Good
inspected October 2023
Type
Slab
Concrete Continuous
Length
179 ft
5 main spans
Daily traffic
1,292
2023 count
Owner
State
State Highway Agency

About this bridge

K15 HWY over French Creek is a concrete continuous slab carrying K15 HWY over French Creek in Marion County, Kansas. It was built in 1943 and reconstructed in 1964, so it is 82 years old, older than the Kansas average of 52.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 1,292 vehicles a day, roughly 20% of them trucks, projected to reach 1,318 by 2044. The structure is 179 ft (54.5 m) long and 46 ft wide. If it were closed, the detour would be 11.2 mi (18 km).

CarriesK15 HWY
CrossesFrench Creek
Location1.60 MI N US56 Ejct
RouteState Highway 15
StateKansas
Coordinates38.38583, -97.22444
Functional classRural Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry8: Equal to present desirable criteria
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment7: Better than present minimum criteria
Operating rating50 US tons
Inventory rating30 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadH 15
Structure length179 ft (54.5 m)
Longest span38 ft (11.6 m)
Deck width46 ft (14 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,292 (2023)
Projected traffic1,318 by 2044
Trucks20%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.2 mi (18 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was K15 HWY over French Creek built?

It was built in 1943, making it 82 years old in 2025. It was reconstructed in 1964.

What condition is K15 HWY over French Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in October 2023.

How much traffic does K15 HWY over French Creek carry?

About 1,292 vehicles per day (2023 count), of which roughly 20% are trucks.

How long is K15 HWY over French Creek?

The structure is 179 ft (54.5 m) long with a longest span of 38 ft (11.6 m) and a deck 46 ft wide.

Who owns K15 HWY over French Creek?

It is owned by the State Highway Agency.