US Bridges

S Sego RD over N Fork Ninnescah River

Fair

Reno County, Kansas · 0.67 MI N-E JCT K61 · Structure no. 999901400780821

Built
1979
46 years old, rebuilt 2014
Condition
Fair
inspected July 2024
Type
Slab
Concrete Continuous
Length
366 ft
7 main spans
Daily traffic
375
2021 count
Owner
County
County Highway Agency

About this bridge

S Sego RD over N Fork Ninnescah River is a concrete continuous slab carrying S Sego RD over N Fork Ninnescah River in Reno County, Kansas. It was built in 1979 and reconstructed in 2014, so it is 46 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 375 vehicles a day, roughly 10% of them trucks, projected to reach 450 by 2046. The structure is 366 ft (111.7 m) long and 31 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesS Sego RD
CrossesN Fork Ninnescah River
Location0.67 MI N-E JCT K61
RouteCounty Highway 1713
StateKansas
Coordinates37.90477, -98.1787
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.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating39.2 US tons
Inventory rating39.2 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans7
Design loadHL 93
Structure length366 ft (111.7 m)
Longest span56 ft (17 m)
Deck width31 ft (9.3 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic375 (2021)
Projected traffic450 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 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 S Sego RD over N Fork Ninnescah River built?

It was built in 1979, making it 46 years old in 2025. It was reconstructed in 2014.

What condition is S Sego RD over N Fork Ninnescah 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 July 2024.

How much traffic does S Sego RD over N Fork Ninnescah River carry?

About 375 vehicles per day (2021 count), of which roughly 10% are trucks.

How long is S Sego RD over N Fork Ninnescah River?

The structure is 366 ft (111.7 m) long with a longest span of 56 ft (17 m) and a deck 31 ft wide.

Who owns S Sego RD over N Fork Ninnescah River?

It is owned by the County Highway Agency.