US Bridges

Rs 39 - NE 100 Ave over Trib. S. Fk. Ninnescah

Fair

Pratt County, Kansas · 1.5N of Cairo · Structure no. 000000000760070

Built
1977
48 years old
Condition
Fair
inspected November 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
42 ft
1 main span
Daily traffic
315
2021 count
Owner
County
County Highway Agency

About this bridge

Rs 39 - NE 100 Ave over Trib. S. Fk. Ninnescah is a steel stringer/multi-beam or girder carrying Rs 39 - NE 100 Ave over Trib. S. Fk. Ninnescah in Pratt County, Kansas. It was built in 1977, so it is 48 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 315 vehicles a day, roughly 10% of them trucks, projected to reach 380 by 2046. The structure is 42 ft (12.8 m) long and 29 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
CrossesTrib. S. Fk. Ninnescah
Location1.5N of Cairo
RouteCounty Highway 39
CountyPratt County
StateKansas
Coordinates37.66648, -98.55662
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
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 rating38.5 US tons
Inventory rating23 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length42 ft (12.8 m)
Longest span40 ft (12.1 m)
Deck width29 ft (8.8 m)
Roadway width28 ft (8.6 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 Trib. S. Fk. Ninnescah built?

It was built in 1977, making it 48 years old in 2025.

What condition is Rs 39 - NE 100 Ave over Trib. S. Fk. 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 Rs 39 - NE 100 Ave over Trib. S. Fk. Ninnescah carry?

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

How long is Rs 39 - NE 100 Ave over Trib. S. Fk. Ninnescah?

The structure is 42 ft (12.8 m) long with a longest span of 40 ft (12.1 m) and a deck 29 ft wide.

Who owns Rs 39 - NE 100 Ave over Trib. S. Fk. Ninnescah?

It is owned by the County Highway Agency.