US Bridges

Langdon RD 16.23 over N. Fork Ninnescah River

Good

Reno County, Kansas · 0.8 S 1.0 W of Plevna · Structure no. 000000000780100

Built
2009
16 years old
Condition
Good
inspected July 2024
Type
Slab
Concrete Continuous
Length
198 ft
4 main spans
Daily traffic
225
2021 count
Owner
County
County Highway Agency

About this bridge

Langdon RD 16.23 over N. Fork Ninnescah River is a concrete continuous slab carrying Langdon RD 16.23 over N. Fork Ninnescah River in Reno County, Kansas. It was built in 2009, so it is 16 years old, younger than the Kansas average of 52.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 225 vehicles a day, roughly 10% of them trucks, projected to reach 235 by 2046. The structure is 198 ft (60.5 m) long and 30 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesLangdon RD 16.23
CrossesN. Fork Ninnescah River
Location0.8 S 1.0 W of Plevna
RouteCounty Highway 360
StateKansas
Coordinates37.96018, -98.32569
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating81.8 US tons
Inventory rating35.3 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length198 ft (60.5 m)
Longest span56 ft (17 m)
Deck width30 ft (9.1 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic225 (2021)
Projected traffic235 by 2046
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 Langdon RD 16.23 over N. Fork Ninnescah River built?

It was built in 2009, making it 16 years old in 2025.

What condition is Langdon RD 16.23 over N. Fork Ninnescah River in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in July 2024.

How much traffic does Langdon RD 16.23 over N. Fork Ninnescah River carry?

About 225 vehicles per day (2021 count), of which roughly 10% are trucks.

How long is Langdon RD 16.23 over N. Fork Ninnescah River?

The structure is 198 ft (60.5 m) long with a longest span of 56 ft (17 m) and a deck 30 ft wide.

Who owns Langdon RD 16.23 over N. Fork Ninnescah River?

It is owned by the County Highway Agency.