US Bridges

E. 20th Ave. N. over Oak Creek

Fair

Sumner County, Kansas · 1.5N 2.0W of Wellington · Structure no. 000960807906740

Built
1920
105 years old
Condition
Fair
inspected May 2023
Type
Slab
Concrete
Length
32 ft
2 main spans
Daily traffic
50
2013 count
Owner
County
County Highway Agency

About this bridge

E. 20th Ave. N. over Oak Creek is a concrete slab carrying E. 20th Ave. N. over Oak Creek in Sumner County, Kansas. It was built in 1920, so it is 105 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 50 vehicles a day, projected to reach 50 by 2043. The structure is 32 ft (9.7 m) long and 21 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesE. 20th Ave. N.
CrossesOak Creek
Location1.5N 2.0W of Wellington
RouteCounty Highway 0
StateKansas
Coordinates37.28836, -97.43971
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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating36 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length32 ft (9.7 m)
Longest span14 ft (4.2 m)
Deck width21 ft (6.3 m)
Roadway width18 ft (5.5 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 statusPossibly eligible for the National Register; requires further investigation
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$205,000
NavigationNo navigation control on waterway

Frequently asked questions

When was E. 20th Ave. N. over Oak Creek built?

It was built in 1920, making it 105 years old in 2025.

What condition is E. 20th Ave. N. over Oak 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 2023.

How much traffic does E. 20th Ave. N. over Oak Creek carry?

About 50 vehicles per day (2013 count).

How long is E. 20th Ave. N. over Oak Creek?

The structure is 32 ft (9.7 m) long with a longest span of 14 ft (4.2 m) and a deck 21 ft wide.

Who owns E. 20th Ave. N. over Oak Creek?

It is owned by the County Highway Agency.