US Bridges

NW 20th over Little Cherry Creek

Fair

Cherokee County, Kansas · 2.5S of Carona · Structure no. 000000000110360

Built
1970
55 years old
Condition
Fair
inspected September 2023
Type
Slab
Concrete Continuous
Length
133 ft
3 main spans
Daily traffic
185
2019 count
Owner
County
County Highway Agency

About this bridge

NW 20th over Little Cherry Creek is a concrete continuous slab carrying NW 20th over Little Cherry Creek in Cherokee County, Kansas. It was built in 1970, so it is 55 years old, older than the Kansas average of 52.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 185 vehicles a day, roughly 10% of them trucks, projected to reach 220 by 2043. The structure is 133 ft (40.5 m) long and 28 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesNW 20th
CrossesLittle Cherry Creek
Location2.5S of Carona
RouteCounty Highway 1169
StateKansas
Coordinates37.24572, -94.86837
Functional classRural Major Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating47.5 US tons
Inventory rating28.4 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length133 ft (40.5 m)
Longest span52 ft (15.8 m)
Deck width28 ft (8.5 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic185 (2019)
Projected traffic220 by 2043
Trucks10%
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 NW 20th over Little Cherry Creek built?

It was built in 1970, making it 55 years old in 2025.

What condition is NW 20th over Little Cherry Creek in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in September 2023.

How much traffic does NW 20th over Little Cherry Creek carry?

About 185 vehicles per day (2019 count), of which roughly 10% are trucks.

How long is NW 20th over Little Cherry Creek?

The structure is 133 ft (40.5 m) long with a longest span of 52 ft (15.8 m) and a deck 28 ft wide.

Who owns NW 20th over Little Cherry Creek?

It is owned by the County Highway Agency.