US Bridges

20th Rd. over East Buffalo Creek

PoorPosted for load

Woodson County, Kansas · 270 2.3E 3.0S of Rose · Structure no. 001041003306100

Built
1930
95 years old
Condition
Poor
inspected October 2024
Type
Slab
Concrete Continuous
Length
45 ft
3 main spans
Daily traffic
20
2019 count
Owner
County
County Highway Agency

About this bridge

20th Rd. over East Buffalo Creek is a concrete continuous slab carrying 20th Rd. over East Buffalo Creek in Woodson 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 20 vehicles a day, projected to reach 24 by 2044. The structure is 45 ft (13.6 m) long and 19 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
Carries20th Rd.
CrossesEast Buffalo Creek
Location270 2.3E 3.0S of Rose
RouteCounty Highway 0
CountyWoodson County
StateKansas
Coordinates37.74772, -95.64733
Functional classRural Local

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
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
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 adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating12 US tons
Inventory rating12 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length45 ft (13.6 m)
Longest span14 ft (4.2 m)
Deck width19 ft (5.8 m)
Roadway width18 ft (5.5 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic20 (2019)
Projected traffic24 by 2044
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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$250,000
NavigationNo navigation control on waterway

Frequently asked questions

When was 20th Rd. over East Buffalo Creek built?

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

What condition is 20th Rd. over East Buffalo Creek 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 October 2024.

How much traffic does 20th Rd. over East Buffalo Creek carry?

About 20 vehicles per day (2019 count).

How long is 20th Rd. over East Buffalo Creek?

The structure is 45 ft (13.6 m) long with a longest span of 14 ft (4.2 m) and a deck 19 ft wide.

Who owns 20th Rd. over East Buffalo Creek?

It is owned by the County Highway Agency.