US Bridges

W. 20th ST S. over Trib. to Chikaskia River

PoorPosted for load

Sumner County, Kansas · 4.2E of Milan · Structure no. 000960791206780

Built
1930
95 years old
Condition
Poor
inspected June 2024
Type
Culvert
Concrete
Length
26 ft
3 main spans
Daily traffic
100
2013 count
Owner
County
County Highway Agency

About this bridge

W. 20th ST S. over Trib. to Chikaskia River is a concrete culvert carrying W. 20th ST S. over Trib. to Chikaskia River in Sumner County, Kansas. It was built in 1930, so it is 95 years old, older than the Kansas average of 52.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 100 vehicles a day, roughly 1% of them trucks, projected to reach 100 by 2043. The structure is 26 ft (7.9 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. 20th ST S.
CrossesTrib. to Chikaskia River
Location4.2E of Milan
RouteCounty Highway 9614
CountySumner County
StateKansas
Coordinates37.25679, -97.59618
Functional classRural Minor Collector

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating20.1 US tons
Inventory rating12 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadUnknown
Structure length26 ft (7.9 m)
Longest span8 ft (2.4 m)
Deck width30 ft (9.1 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic100 (2013)
Projected traffic100 by 2043
Trucks1%
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was W. 20th ST S. over Trib. to Chikaskia River built?

It was built in 1930, making it 95 years old in 2025.

What condition is W. 20th ST S. over Trib. to Chikaskia River in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in June 2024.

How much traffic does W. 20th ST S. over Trib. to Chikaskia River carry?

About 100 vehicles per day (2013 count), of which roughly 1% are trucks.

How long is W. 20th ST S. over Trib. to Chikaskia River?

The structure is 26 ft (7.9 m) long with a longest span of 8 ft (2.4 m) and a deck 30 ft wide.

Who owns W. 20th ST S. over Trib. to Chikaskia River?

It is owned by the County Highway Agency.