US Bridges

Holly Rd. over South Cottonwood River

Good

Marion County, Kansas · 0.5W 2.7S of Hillsboro · Structure no. 000570833005327

Built
1987
38 years old
Condition
Good
inspected December 2024
Type
Slab
Concrete Continuous
Length
137 ft
3 main spans
Daily traffic
35
2020 count
Owner
County
County Highway Agency

About this bridge

Holly Rd. over South Cottonwood River is a concrete continuous slab carrying Holly Rd. over South Cottonwood River in Marion County, Kansas. It was built in 1987, so it is 38 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.

It carries about 35 vehicles a day, projected to reach 42 by 2044. The structure is 137 ft (41.8 m) long and 26 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesHolly Rd.
CrossesSouth Cottonwood River
Location0.5W 2.7S of Hillsboro
RouteCounty Highway 0
StateKansas
Coordinates38.30803, -97.22442
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.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating78.8 US tons
Inventory rating47.2 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length137 ft (41.8 m)
Longest span53 ft (16.1 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 traffic35 (2020)
Projected traffic42 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 Holly Rd. over South Cottonwood River built?

It was built in 1987, making it 38 years old in 2025.

What condition is Holly Rd. over South Cottonwood River 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 Holly Rd. over South Cottonwood River carry?

About 35 vehicles per day (2020 count).

How long is Holly Rd. over South Cottonwood River?

The structure is 137 ft (41.8 m) long with a longest span of 53 ft (16.1 m) and a deck 26 ft wide.

Who owns Holly Rd. over South Cottonwood River?

It is owned by the County Highway Agency.