US Bridges

20th Rd. over East Buffalo Creek

PoorPosted for load

Woodson County, Kansas · 269 1.9E 3.0S of Rose · Structure no. 001041001906100

Built
1930
95 years old
Condition
Poor
inspected October 2024
Type
Slab
Concrete
Length
73 ft
5 main spans
Daily traffic
10
2019 count
Owner
County
County Highway Agency

About this bridge

20th Rd. over East Buffalo Creek is a concrete 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 10 vehicles a day, projected to reach 12 by 2044. The structure is 73 ft (22.3 m) long and 18 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Carries20th Rd.
CrossesEast Buffalo Creek
Location269 1.9E 3.0S of Rose
RouteCounty Highway 0
StateKansas
Coordinates37.74778, -95.65442
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.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionOctober 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 geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating29.8 US tons
Inventory rating21.8 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans5
Design loadUnknown
Structure length73 ft (22.3 m)
Longest span16 ft (4.9 m)
Deck width18 ft (5.5 m)
Roadway width17 ft (5.2 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic10 (2019)
Projected traffic12 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$330,000
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 10 vehicles per day (2019 count).

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

The structure is 73 ft (22.3 m) long with a longest span of 16 ft (4.9 m) and a deck 18 ft wide.

Who owns 20th Rd. over East Buffalo Creek?

It is owned by the County Highway Agency.