US Bridges

Langdon RD 16.11 over Trib N Fk Ninnescah Rv

Fair

Reno County, Kansas · 1.0 W 1.0 S of Plevna · Structure no. 000000000780090

Built
1955
70 years old
Condition
Fair
inspected July 2024
Type
Culvert
Concrete
Length
24 ft
2 main spans
Daily traffic
225
2021 count
Owner
County
County Highway Agency

About this bridge

Langdon RD 16.11 over Trib N Fk Ninnescah Rv is a concrete culvert carrying Langdon RD 16.11 over Trib N Fk Ninnescah Rv in Reno County, Kansas. It was built in 1955, so it is 70 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 225 vehicles a day, roughly 10% of them trucks, projected to reach 320 by 2044. The structure is 24 ft (7.3 m) long and 28 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesLangdon RD 16.11
CrossesTrib N Fk Ninnescah Rv
Location1.0 W 1.0 S of Plevna
RouteCounty Highway 360
StateKansas
Coordinates37.95725, -98.32572
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
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 adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating31.7 US tons
Inventory rating18.8 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadH 15
Structure length24 ft (7.3 m)
Longest span11 ft (3.4 m)
Deck width28 ft (8.5 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic225 (2021)
Projected traffic320 by 2044
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 16.11 over Trib N Fk Ninnescah Rv built?

It was built in 1955, making it 70 years old in 2025.

What condition is Langdon RD 16.11 over Trib N Fk Ninnescah Rv 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 July 2024.

How much traffic does Langdon RD 16.11 over Trib N Fk Ninnescah Rv carry?

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

How long is Langdon RD 16.11 over Trib N Fk Ninnescah Rv?

The structure is 24 ft (7.3 m) long with a longest span of 11 ft (3.4 m) and a deck 28 ft wide.

Who owns Langdon RD 16.11 over Trib N Fk Ninnescah Rv?

It is owned by the County Highway Agency.