US Bridges

71st RD over Trib. to Walnut River

Fair

Cowley County, Kansas · N.E. Edge Arkansas City · Structure no. 000000000180840

Built
1940
85 years old
Condition
Fair
inspected January 2024
Type
Culvert
Concrete
Length
32 ft
3 main spans
Daily traffic
675
2018 count
Owner
County
County Highway Agency

About this bridge

71st RD over Trib. to Walnut River is a concrete culvert carrying 71st RD over Trib. to Walnut River in Cowley County, Kansas. It was built in 1940, so it is 85 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 675 vehicles a day, roughly 10% of them trucks, projected to reach 975 by 2042. The structure is 32 ft (9.7 m) long and 23 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Carries71st RD
CrossesTrib. to Walnut River
LocationN.E. Edge Arkansas City
RouteCounty Highway 1754
StateKansas
Coordinates37.08693, -97.02284
Functional classUrban 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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadH 15
Structure length32 ft (9.7 m)
Longest span10 ft (3 m)
Deck width23 ft (6.9 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic675 (2018)
Projected traffic975 by 2042
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 statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was 71st RD over Trib. to Walnut River built?

It was built in 1940, making it 85 years old in 2025.

What condition is 71st RD over Trib. to Walnut River 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 January 2024.

How much traffic does 71st RD over Trib. to Walnut River carry?

About 675 vehicles per day (2018 count), of which roughly 10% are trucks.

How long is 71st RD over Trib. to Walnut River?

The structure is 32 ft (9.7 m) long with a longest span of 10 ft (3 m) and a deck 23 ft wide.

Who owns 71st RD over Trib. to Walnut River?

It is owned by the County Highway Agency.