US Bridges

W. 20th Ave. N. over Trib. West Prairie Cr.

Fair

Sumner County, Kansas · 1.5N 1.3W of Mayfield · Structure no. 000960793706740

Built
1992
33 years old
Condition
Fair
inspected May 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
23 ft
1 main span
Daily traffic
25
2013 count
Owner
County
County Highway Agency

About this bridge

W. 20th Ave. N. over Trib. West Prairie Cr. is a steel stringer/multi-beam or girder carrying W. 20th Ave. N. over Trib. West Prairie Cr. 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 25 vehicles a day, projected to reach 25 by 2043. The structure is 23 ft (7 m) long and 22 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesW. 20th Ave. N.
CrossesTrib. West Prairie Cr.
Location1.5N 1.3W of Mayfield
RouteCounty Highway 0
StateKansas
Coordinates37.28623, -97.5718
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2023
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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating58.8 US tons
Inventory rating35.1 US tons

Structure

MaterialSteel
DeckOpen grating
Main spans1
Design loadUnknown
Structure length23 ft (7 m)
Longest span21 ft (6.4 m)
Deck width22 ft (6.8 m)
Roadway width22 ft (6.6 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic25 (2013)
Projected traffic25 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. 20th Ave. N. over Trib. West Prairie Cr. built?

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

What condition is W. 20th Ave. N. over Trib. West Prairie Cr. 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 2023.

How much traffic does W. 20th Ave. N. over Trib. West Prairie Cr. carry?

About 25 vehicles per day (2013 count).

How long is W. 20th Ave. N. over Trib. West Prairie Cr.?

The structure is 23 ft (7 m) long with a longest span of 21 ft (6.4 m) and a deck 22 ft wide.

Who owns W. 20th Ave. N. over Trib. West Prairie Cr.?

It is owned by the County Highway Agency.