US Bridges

Rs 599 263rd W over Ninnescah River

FairPosted for load

Sedgwick County, Kansas · 263RDW 0.3 N of 87THS · Structure no. 000000000870140

Built
1956
69 years old, rebuilt 2011
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
603 ft
7 main spans
Daily traffic
662
2022 count
Owner
County
County Highway Agency

About this bridge

Rs 599 263rd W over Ninnescah River is a steel continuous stringer/multi-beam or girder carrying Rs 599 263rd W over Ninnescah River in Sedgwick County, Kansas. It was built in 1956 and reconstructed in 2011, so it is 69 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 5 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 662 vehicles a day, roughly 27% of them trucks, projected to reach 808 by 2044. The structure is 603 ft (183.8 m) long and 29 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

CarriesRs 599 263rd W
CrossesNinnescah River
Location263RDW 0.3 N of 87THS
RouteCounty Highway 599
StateKansas
Coordinates37.53826, -97.64306
Functional classRural Minor 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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
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 adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating42.2 US tons
Inventory rating25.4 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans7
Design loadH 20
Structure length603 ft (183.8 m)
Longest span90 ft (27.4 m)
Deck width29 ft (8.9 m)
Roadway width26 ft (8 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic662 (2022)
Projected traffic808 by 2044
Trucks27%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Rs 599 263rd W over Ninnescah River built?

It was built in 1956, making it 69 years old in 2025. It was reconstructed in 2011.

What condition is Rs 599 263rd W over 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 September 2024.

How much traffic does Rs 599 263rd W over Ninnescah River carry?

About 662 vehicles per day (2022 count), of which roughly 27% are trucks.

How long is Rs 599 263rd W over Ninnescah River?

The structure is 603 ft (183.8 m) long with a longest span of 90 ft (27.4 m) and a deck 29 ft wide.

Who owns Rs 599 263rd W over Ninnescah River?

It is owned by the County Highway Agency.