US Bridges

Kanza Rd. over French Creek

GoodPosted for load

Marion County, Kansas · 2.6N 2.0E of Hillsboro · Structure no. 000000000570820

Built
1966
59 years old
Condition
Good
inspected December 2024
Type
Tee Beam
Concrete Continuous
Length
156 ft
3 main spans
Daily traffic
445
2020 count
Owner
County
County Highway Agency

About this bridge

Kanza Rd. over French Creek is a concrete continuous tee beam carrying Kanza Rd. over French Creek in Marion County, Kansas. It was built in 1966, so it is 59 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. Its operating status is: posted for load restriction.

It carries about 445 vehicles a day, roughly 5% of them trucks, projected to reach 490 by 2044. The structure is 156 ft (47.4 m) long and 27 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesKanza Rd.
CrossesFrench Creek
Location2.6N 2.0E of Hillsboro
RouteCounty Highway 1409
StateKansas
Coordinates38.38617, -97.16925
Functional classRural Major Collector

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 protection8 Very GoodNo problems noted.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating15 US tons
Inventory rating15 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length156 ft (47.4 m)
Longest span59 ft (17.9 m)
Deck width27 ft (8.3 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic445 (2020)
Projected traffic490 by 2044
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 Kanza Rd. over French Creek built?

It was built in 1966, making it 59 years old in 2025.

What condition is Kanza Rd. 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 December 2024.

How much traffic does Kanza Rd. over French Creek carry?

About 445 vehicles per day (2020 count), of which roughly 5% are trucks.

How long is Kanza Rd. over French Creek?

The structure is 156 ft (47.4 m) long with a longest span of 59 ft (17.9 m) and a deck 27 ft wide.

Who owns Kanza Rd. over French Creek?

It is owned by the County Highway Agency.