US Bridges

Rs 39 - NE 100 Ave over S. Fork Ninnescah River

FairPosted for load

Pratt County, Kansas · 0.8N of Cairo · Structure no. 000000000760060

Built
1967
58 years old
Condition
Fair
inspected November 2024
Type
Slab
Concrete Continuous
Length
224 ft
6 main spans
Daily traffic
315
2021 count
Owner
County
County Highway Agency

About this bridge

Rs 39 - NE 100 Ave over S. Fork Ninnescah River is a concrete continuous slab carrying Rs 39 - NE 100 Ave over S. Fork Ninnescah River in Pratt County, Kansas. It was built in 1967, so it is 58 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 315 vehicles a day, roughly 10% of them trucks, projected to reach 380 by 2046. The structure is 224 ft (68.2 m) long and 32 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesRs 39 - NE 100 Ave
CrossesS. Fork Ninnescah River
Location0.8N of Cairo
RouteCounty Highway 39
CountyPratt County
StateKansas
Coordinates37.65835, -98.55669
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
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 inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating32.7 US tons
Inventory rating19.4 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans6
Design loadH 15
Structure length224 ft (68.2 m)
Longest span40 ft (12.1 m)
Deck width32 ft (9.8 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic315 (2021)
Projected traffic380 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 Rs 39 - NE 100 Ave over S. Fork Ninnescah River built?

It was built in 1967, making it 58 years old in 2025.

What condition is Rs 39 - NE 100 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 Rs 39 - NE 100 Ave over S. Fork Ninnescah River carry?

About 315 vehicles per day (2021 count), of which roughly 10% are trucks.

How long is Rs 39 - NE 100 Ave over S. Fork Ninnescah River?

The structure is 224 ft (68.2 m) long with a longest span of 40 ft (12.1 m) and a deck 32 ft wide.

Who owns Rs 39 - NE 100 Ave over S. Fork Ninnescah River?

It is owned by the County Highway Agency.