US Bridges

SW 15 Ave over S. Fork Ninnescah River

Fair

Pratt County, Kansas · 1.5W of Pratt · Structure no. 000760663506246

Built
1989
36 years old
Condition
Fair
inspected November 2024
Type
Slab
Concrete Continuous
Length
143 ft
5 main spans
Daily traffic
250
2021 count
Owner
County
County Highway Agency

About this bridge

SW 15 Ave over S. Fork Ninnescah River is a concrete continuous slab carrying SW 15 Ave over S. Fork Ninnescah River in Pratt County, Kansas. It was built in 1989, so it is 36 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 250 vehicles a day, roughly 5% of them trucks, projected to reach 300 by 2046. The structure is 143 ft (43.7 m) long and 34 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesSW 15 Ave
CrossesS. Fork Ninnescah River
Location1.5W of Pratt
RouteCounty Highway 0
CountyPratt County
StateKansas
Coordinates37.63992, -98.76689
Functional classUrban 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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating55.8 US tons
Inventory rating33.4 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length143 ft (43.7 m)
Longest span32 ft (9.7 m)
Deck width34 ft (10.4 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic250 (2021)
Projected traffic300 by 2046
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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$800,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was SW 15 Ave over S. Fork Ninnescah River built?

It was built in 1989, making it 36 years old in 2025.

What condition is SW 15 Ave over S. 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 November 2024.

How much traffic does SW 15 Ave over S. Fork Ninnescah River carry?

About 250 vehicles per day (2021 count), of which roughly 5% are trucks.

How long is SW 15 Ave over S. Fork Ninnescah River?

The structure is 143 ft (43.7 m) long with a longest span of 32 ft (9.7 m) and a deck 34 ft wide.

Who owns SW 15 Ave over S. Fork Ninnescah River?

It is owned by the County Highway Agency.