US Bridges

RD N over Wild Horse Creek

PoorPosted for load

Ness County, Kansas · 5.0W 10.0N of Ness City · Structure no. 000000000680560

Built
1940
85 years old
Condition
Poor
inspected November 2023
Type
Slab
Concrete Continuous
Length
23 ft
2 main spans
Daily traffic
50
2021 count
Owner
County
County Highway Agency

About this bridge

RD N over Wild Horse Creek is a concrete continuous slab carrying RD N over Wild Horse Creek in Ness 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 poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 50 vehicles a day, roughly 10% of them trucks, projected to reach 25 by 2042. The structure is 23 ft (7 m) long and 24 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesRD N
CrossesWild Horse Creek
Location5.0W 10.0N of Ness City
RouteCounty Highway 370
StateKansas
Coordinates38.59925, -99.99253
Functional classRural Major Collector

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating40 US tons
Inventory rating25 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length23 ft (7 m)
Longest span10 ft (3 m)
Deck width24 ft (7.3 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic50 (2021)
Projected traffic25 by 2042
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$330,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was RD N over Wild Horse Creek built?

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

What condition is RD N over Wild Horse Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in November 2023.

How much traffic does RD N over Wild Horse Creek carry?

About 50 vehicles per day (2021 count), of which roughly 10% are trucks.

How long is RD N over Wild Horse Creek?

The structure is 23 ft (7 m) long with a longest span of 10 ft (3 m) and a deck 24 ft wide.

Who owns RD N over Wild Horse Creek?

It is owned by the County Highway Agency.