US Bridges

SE 20th over Brush Creek

FairPosted for load

Cherokee County, Kansas · 1.0N 0.3E of Neutral · Structure no. 000000000110450

Built
1975
50 years old
Condition
Fair
inspected September 2023
Type
Slab
Concrete Continuous
Length
143 ft
3 main spans
Daily traffic
55
2019 count
Owner
County
County Highway Agency

About this bridge

SE 20th over Brush Creek is a concrete continuous slab carrying SE 20th over Brush Creek in Cherokee County, Kansas. It was built in 1975, so it is 50 years old, younger 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 6 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 55 vehicles a day, roughly 10% of them trucks, projected to reach 65 by 2043. The structure is 143 ft (43.6 m) long and 28 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesSE 20th
CrossesBrush Creek
Location1.0N 0.3E of Neutral
RouteCounty Highway 1171
CountyCherokee County
StateKansas
Coordinates37.11818, -94.7908
Functional classRural Major Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating50.6 US tons
Inventory rating30.3 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 15
Structure length143 ft (43.6 m)
Longest span56 ft (17 m)
Deck width28 ft (8.5 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic55 (2019)
Projected traffic65 by 2043
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was SE 20th over Brush Creek built?

It was built in 1975, making it 50 years old in 2025.

What condition is SE 20th over Brush 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 September 2023.

How much traffic does SE 20th over Brush Creek carry?

About 55 vehicles per day (2019 count), of which roughly 10% are trucks.

How long is SE 20th over Brush Creek?

The structure is 143 ft (43.6 m) long with a longest span of 56 ft (17 m) and a deck 28 ft wide.

Who owns SE 20th over Brush Creek?

It is owned by the County Highway Agency.