US Bridges

SE 20 Ave over Stream

FairPosted for load

Harper County, Kansas · 1.5E 1.8S of Anthony · Structure no. 000390747006948

Built
1940
85 years old
Condition
Fair
inspected February 2023
Type
Culvert
Concrete
Length
30 ft
2 main spans
Daily traffic
10
2021 count
Owner
County
County Highway Agency

About this bridge

SE 20 Ave over Stream is a concrete culvert carrying SE 20 Ave over Stream in Harper County, Kansas. It was built in 1940, so it is 85 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. Its operating status is: posted for load restriction.

It carries about 10 vehicles a day, projected to reach 10 by 2043. The structure is 30 ft (9 m) long and 19 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesSE 20 Ave
CrossesStream
Location1.5E 1.8S of Anthony
RouteCounty Highway 0
CountyHarper County
StateKansas
Coordinates37.12742, -98.00241
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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusPosted for load 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 geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating20 US tons
Inventory rating20 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length30 ft (9 m)
Longest span15 ft (4.6 m)
Deck width19 ft (5.9 m)
Roadway width18 ft (5.4 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic10 (2021)
Projected traffic10 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$47,000
NavigationNo navigation control on waterway

Frequently asked questions

When was SE 20 Ave over Stream built?

It was built in 1940, making it 85 years old in 2025.

What condition is SE 20 Ave over Stream 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 February 2023.

How much traffic does SE 20 Ave over Stream carry?

About 10 vehicles per day (2021 count).

How long is SE 20 Ave over Stream?

The structure is 30 ft (9 m) long with a longest span of 15 ft (4.6 m) and a deck 19 ft wide.

Who owns SE 20 Ave over Stream?

It is owned by the County Highway Agency.