US Bridges

311st W Local Rd. over Trib. to Ninnescah River

Fair

Sedgwick County, Kansas · 311THW 0.3 N of 111THS · Structure no. 000870781006447

Built
1900
125 years old
Condition
Fair
inspected April 2024
Type
Culvert
Concrete
Length
26 ft
3 main spans
Daily traffic
12
2022 count
Owner
County
County Highway Agency

About this bridge

311st W Local Rd. over Trib. to Ninnescah River is a concrete culvert carrying 311st W Local Rd. over Trib. to Ninnescah River in Sedgwick County, Kansas. It was built in 1900, so it is 125 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.

It carries about 12 vehicles a day, projected to reach 20 by 2044. The structure is 26 ft (7.9 m) long and 32 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

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Carries311st W Local Rd.
CrossesTrib. to Ninnescah River
Location311THW 0.3 N of 111THS
RouteCounty Highway 0
CountySedgwick County
StateKansas
Coordinates37.49328, -97.69783
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.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry7: Better than 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
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length26 ft (7.9 m)
Longest span9 ft (2.7 m)
Deck width32 ft (9.8 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic12 (2022)
Projected traffic20 by 2044
Trucks0%
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 statusPossibly eligible for the National Register; requires further investigation
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was 311st W Local Rd. over Trib. to Ninnescah River built?

It was built in 1900, making it 125 years old in 2025.

What condition is 311st W Local Rd. over Trib. to 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 April 2024.

How much traffic does 311st W Local Rd. over Trib. to Ninnescah River carry?

About 12 vehicles per day (2022 count).

How long is 311st W Local Rd. over Trib. to Ninnescah River?

The structure is 26 ft (7.9 m) long with a longest span of 9 ft (2.7 m) and a deck 32 ft wide.

Who owns 311st W Local Rd. over Trib. to Ninnescah River?

It is owned by the County Highway Agency.