US Bridges

55th RD over Trib. to Walnut River

Fair

Cowley County, Kansas · 1.5W 3.2N of Winfield · Structure no. 000180851506728

Built
1988
37 years old
Condition
Fair
inspected January 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
23 ft
1 main span
Daily traffic
25
2018 count
Owner
County
County Highway Agency

About this bridge

55th RD over Trib. to Walnut River is a steel stringer/multi-beam or girder carrying 55th RD over Trib. to Walnut River in Cowley County, Kansas. It was built in 1988, so it is 37 years old, younger 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 25 vehicles a day, roughly 5% of them trucks, projected to reach 35 by 2044. The structure is 23 ft (6.9 m) long and 24 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Carries55th RD
CrossesTrib. to Walnut River
Location1.5W 3.2N of Winfield
RouteCounty Highway 0
StateKansas
Coordinates37.2909, -97.05139
Functional classRural Local

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.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2024
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 adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99.9 US tons
Inventory rating89 US tons

Structure

MaterialSteel
DeckCorrugated steel
Main spans1
Design loadUnknown
Structure length23 ft (6.9 m)
Longest span21 ft (6.5 m)
Deck width24 ft (7.3 m)
Roadway width23 ft (7.1 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic25 (2018)
Projected traffic35 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 55th RD over Trib. to Walnut River built?

It was built in 1988, making it 37 years old in 2025.

What condition is 55th 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 55th RD over Trib. to Walnut River carry?

About 25 vehicles per day (2018 count), of which roughly 5% are trucks.

How long is 55th RD over Trib. to Walnut River?

The structure is 23 ft (6.9 m) long with a longest span of 21 ft (6.5 m) and a deck 24 ft wide.

Who owns 55th RD over Trib. to Walnut River?

It is owned by the County Highway Agency.