US Bridges

W. 50th Ave N. over Slate Creek

Fair

Sumner County, Kansas · 4.5N 1.3E of Mayfield · Structure no. 000960799206680

Built
1970
55 years old
Condition
Fair
inspected May 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
70 ft
2 main spans
Daily traffic
5
2013 count
Owner
County
County Highway Agency

About this bridge

W. 50th Ave N. over Slate Creek is a steel continuous stringer/multi-beam or girder carrying W. 50th Ave N. over Slate Creek in Sumner County, Kansas. It was built in 1970, so it is 55 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 5 vehicles a day, projected to reach 5 by 2043. The structure is 70 ft (21.4 m) long and 30 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesW. 50th Ave N.
CrossesSlate Creek
Location4.5N 1.3E of Mayfield
RouteCounty Highway 0
CountySumner County
StateKansas
Coordinates37.33019, -97.52433
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating12.7 US tons
Inventory rating7.6 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckCorrugated steel
Main spans2
Design loadUnknown
Structure length70 ft (21.4 m)
Longest span33 ft (10.2 m)
Deck width30 ft (9.2 m)
Roadway width30 ft (9 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic5 (2013)
Projected traffic5 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 W. 50th Ave N. over Slate Creek built?

It was built in 1970, making it 55 years old in 2025.

What condition is W. 50th Ave N. over 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 W. 50th Ave N. over Slate Creek carry?

About 5 vehicles per day (2013 count).

How long is W. 50th Ave N. over Slate Creek?

The structure is 70 ft (21.4 m) long with a longest span of 33 ft (10.2 m) and a deck 30 ft wide.

Who owns W. 50th Ave N. over Slate Creek?

It is owned by the County Highway Agency.