US Bridges

Indigo Rd. over French Creek

GoodPosted for load

Marion County, Kansas · 1.4N of Hillsboro · Structure no. 000570835005229

Built
1980
45 years old
Condition
Good
inspected December 2024
Type
Slab
Concrete Continuous
Length
98 ft
3 main spans
Daily traffic
45
2020 count
Owner
County
County Highway Agency

About this bridge

Indigo Rd. over French Creek is a concrete continuous slab carrying Indigo Rd. over French Creek in Marion County, Kansas. It was built in 1980, so it is 45 years old, younger 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 45 vehicles a day, projected to reach 54 by 2044. The structure is 98 ft (29.9 m) long and 26 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesIndigo Rd.
CrossesFrench Creek
Location1.4N of Hillsboro
RouteCounty Highway 0
CountyMarion County
StateKansas
Coordinates38.379, -97.20617
Functional classRural Local

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.
Substructure8 Very GoodNo problems noted.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating52.8 US tons
Inventory rating31.6 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length98 ft (29.9 m)
Longest span38 ft (11.6 m)
Deck width26 ft (7.9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic45 (2020)
Projected traffic54 by 2044
Trucks0%
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 Indigo Rd. over French Creek built?

It was built in 1980, making it 45 years old in 2025.

What condition is Indigo 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 Indigo Rd. over French Creek carry?

About 45 vehicles per day (2020 count).

How long is Indigo Rd. over French Creek?

The structure is 98 ft (29.9 m) long with a longest span of 38 ft (11.6 m) and a deck 26 ft wide.

Who owns Indigo Rd. over French Creek?

It is owned by the County Highway Agency.