US Bridges

N. Mayfield RD over Trib. to Slate Creek

Fair

Sumner County, Kansas · 5.0E 0.5N Conway Springs · Structure no. 000960797006585

Built
1992
33 years old
Condition
Fair
inspected May 2024
Type
Culvert
Concrete
Length
31 ft
3 main spans
Daily traffic
50
2013 count
Owner
County
County Highway Agency

About this bridge

N. Mayfield RD over Trib. to Slate Creek is a concrete culvert carrying N. Mayfield RD over Trib. to Slate Creek in Sumner County, Kansas. It was built in 1992, so it is 33 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 50 vehicles a day, projected to reach 50 by 2043. The structure is 31 ft (9.5 m) long and 34 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesN. Mayfield RD
CrossesTrib. to Slate Creek
Location5.0E 0.5N Conway Springs
RouteCounty Highway 0
CountySumner County
StateKansas
Coordinates37.39381, -97.54999
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 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 adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75 US tons
Inventory rating44.9 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20
Structure length31 ft (9.5 m)
Longest span10 ft (2.9 m)
Deck width34 ft (10.5 m)
Roadway width34 ft (10.3 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic50 (2013)
Projected traffic50 by 2043
Trucks0%
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 N. Mayfield RD over Trib. to Slate Creek built?

It was built in 1992, making it 33 years old in 2025.

What condition is N. Mayfield RD over Trib. to Slate Creek 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 May 2024.

How much traffic does N. Mayfield RD over Trib. to Slate Creek carry?

About 50 vehicles per day (2013 count).

How long is N. Mayfield RD over Trib. to Slate Creek?

The structure is 31 ft (9.5 m) long with a longest span of 10 ft (2.9 m) and a deck 34 ft wide.

Who owns N. Mayfield RD over Trib. to Slate Creek?

It is owned by the County Highway Agency.