US Bridges

SE 1st St. over Ninnescah River Drainage

Fair

Pratt County, Kansas · 0.5 S 2.6 W of Cairo · Structure no. 999905400760041

Built
1949
76 years old, rebuilt 1997
Condition
Fair
inspected November 2024
Type
Culvert
Concrete
Length
29 ft
2 main spans
Daily traffic
40
2021 count
Owner
County
County Highway Agency

About this bridge

SE 1st St. over Ninnescah River Drainage is a concrete culvert carrying SE 1st St. over Ninnescah River Drainage in Pratt County, Kansas. It was built in 1949 and reconstructed in 1997, so it is 76 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 40 vehicles a day, roughly 5% of them trucks, projected to reach 50 by 2046. The structure is 29 ft (8.8 m) long and 44 ft wide.

CarriesSE 1st St.
CrossesNinnescah River Drainage
Location0.5 S 2.6 W of Cairo
RouteCounty Highway 110
StateKansas
Coordinates37.64562, -98.60366
Functional classRural Local

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 protection7 GoodSome minor problems.
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 geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.7 US tons
Inventory rating35.8 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadH 20
Structure length29 ft (8.8 m)
Longest span14 ft (4.2 m)
Deck width44 ft (13.3 m)
Roadway width44 ft (13.3 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic40 (2021)
Projected traffic50 by 2046
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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 SE 1st St. over Ninnescah River Drainage built?

It was built in 1949, making it 76 years old in 2025. It was reconstructed in 1997.

What condition is SE 1st St. over Ninnescah River Drainage 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 SE 1st St. over Ninnescah River Drainage carry?

About 40 vehicles per day (2021 count), of which roughly 5% are trucks.

How long is SE 1st St. over Ninnescah River Drainage?

The structure is 29 ft (8.8 m) long with a longest span of 14 ft (4.2 m) and a deck 44 ft wide.

Who owns SE 1st St. over Ninnescah River Drainage?

It is owned by the County Highway Agency.