US Bridges

RD N over North Fork Walnut Creek

FairPosted for load

Ness County, Kansas · 5.0W 2.0N of Ness City · Structure no. 000000000680510

Built
1967
58 years old
Condition
Fair
inspected November 2023
Type
Tee Beam
Concrete Continuous
Length
200 ft
4 main spans
Daily traffic
135
2018 count
Owner
County
County Highway Agency

About this bridge

RD N over North Fork Walnut Creek is a concrete continuous tee beam carrying RD N over North Fork Walnut Creek in Ness County, Kansas. It was built in 1967, so it is 58 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. Its operating status is: posted for load restriction.

It carries about 135 vehicles a day, roughly 10% of them trucks, projected to reach 160 by 2041. The structure is 200 ft (61.1 m) long and 28 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

Location

Open in Google Maps
CarriesRD N
CrossesNorth Fork Walnut Creek
Location5.0W 2.0N of Ness City
RouteCounty Highway 370
CountyNess County
StateKansas
Coordinates38.48039, -99.99113
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 protection7 GoodSome minor problems.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating32.2 US tons
Inventory rating19.3 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length200 ft (61.1 m)
Longest span55 ft (16.7 m)
Deck width28 ft (8.4 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic135 (2018)
Projected traffic160 by 2041
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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 RD N over North Fork Walnut Creek built?

It was built in 1967, making it 58 years old in 2025.

What condition is RD N over North Fork Walnut 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 November 2023.

How much traffic does RD N over North Fork Walnut Creek carry?

About 135 vehicles per day (2018 count), of which roughly 10% are trucks.

How long is RD N over North Fork Walnut Creek?

The structure is 200 ft (61.1 m) long with a longest span of 55 ft (16.7 m) and a deck 28 ft wide.

Who owns RD N over North Fork Walnut Creek?

It is owned by the County Highway Agency.