US Bridges

20th Road over Thompson Creek

FairPosted for load

Ellsworth County, Kansas · 1.5E 4.1N of Geneseo · Structure no. 000270735004961

Built
1934
91 years old
Condition
Fair
inspected March 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
32 ft
1 main span
Daily traffic
20
2020 count
Owner
County
County Highway Agency

About this bridge

20th Road over Thompson Creek is a steel stringer/multi-beam or girder carrying 20th Road over Thompson Creek in Ellsworth County, Kansas. It was built in 1934, so it is 91 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 20 vehicles a day, roughly 5% of them trucks, projected to reach 25 by 2044. The structure is 32 ft (9.8 m) long and 18 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
Carries20th Road
CrossesThompson Creek
Location1.5E 4.1N of Geneseo
RouteCounty Highway 0
CountyEllsworth County
StateKansas
Coordinates38.57999, -98.12816
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.
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 inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation4: Meets minimum tolerable limits to be 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 alignment6: Equal to present minimum criteria
Operating rating27.9 US tons
Inventory rating16 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length32 ft (9.8 m)
Longest span30 ft (9 m)
Deck width18 ft (5.5 m)
Roadway width18 ft (5.5 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic20 (2020)
Projected traffic25 by 2044
Trucks5%
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 20th Road over Thompson Creek built?

It was built in 1934, making it 91 years old in 2025.

What condition is 20th Road over Thompson 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 March 2024.

How much traffic does 20th Road over Thompson Creek carry?

About 20 vehicles per day (2020 count), of which roughly 5% are trucks.

How long is 20th Road over Thompson Creek?

The structure is 32 ft (9.8 m) long with a longest span of 30 ft (9 m) and a deck 18 ft wide.

Who owns 20th Road over Thompson Creek?

It is owned by the County Highway Agency.