US Bridges

6th. St. over Trib. S. Fork Ninnescah

Fair

Pratt County, Kansas · Se. Edge of Pratt · Structure no. 000760667906244

Built
1965
60 years old
Condition
Fair
inspected November 2024
Type
Culvert
Concrete
Length
25 ft
3 main spans
Daily traffic
2,645
2021 count
Owner
City
City or Municipal Highway Agency

About this bridge

6th. St. over Trib. S. Fork Ninnescah is a concrete culvert carrying 6th. St. over Trib. S. Fork Ninnescah in Pratt County, Kansas. It was built in 1965, so it is 60 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 2,645 vehicles a day, roughly 5% of them trucks, projected to reach 3,175 by 2046. The structure is 25 ft (7.7 m) long and 50 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
Carries6th. St.
CrossesTrib. S. Fork Ninnescah
LocationSe. Edge of Pratt
RouteCity Street 0
CountyPratt County
StateKansas
Coordinates37.64067, -98.72161
Functional classUrban Minor Arterial

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 inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating36 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadUnknown
Structure length25 ft (7.7 m)
Longest span8 ft (2.4 m)
Deck width50 ft (15.2 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic2,645 (2021)
Projected traffic3,175 by 2046
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 6th. St. over Trib. S. Fork Ninnescah built?

It was built in 1965, making it 60 years old in 2025.

What condition is 6th. St. over Trib. S. Fork Ninnescah 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 November 2024.

How much traffic does 6th. St. over Trib. S. Fork Ninnescah carry?

About 2,645 vehicles per day (2021 count), of which roughly 5% are trucks.

How long is 6th. St. over Trib. S. Fork Ninnescah?

The structure is 25 ft (7.7 m) long with a longest span of 8 ft (2.4 m) and a deck 50 ft wide.

Who owns 6th. St. over Trib. S. Fork Ninnescah?

It is owned by the City or Municipal Highway Agency.