US Bridges

3000 RD Mile 20 over Cotton Creek

Fair

Montgomery County, Kansas · 1.0W 2.0S of Liberty · Structure no. 000000000630740

Built
1983
42 years old
Condition
Fair
inspected March 2023
Type
Slab
Concrete Continuous
Length
102 ft
3 main spans
Daily traffic
127
2010 count
Owner
County
County Highway Agency

About this bridge

3000 RD Mile 20 over Cotton Creek is a concrete continuous slab carrying 3000 RD Mile 20 over Cotton Creek in Montgomery County, Kansas. It was built in 1983, so it is 42 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.

It carries about 127 vehicles a day, roughly 3% of them trucks, projected to reach 152 by 2039. The structure is 102 ft (31.2 m) long and 28 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Carries3000 RD Mile 20
CrossesCotton Creek
Location1.0W 2.0S of Liberty
RouteCounty Highway 2127
StateKansas
Coordinates37.12436, -95.61796
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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating52.5 US tons
Inventory rating31.4 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length102 ft (31.2 m)
Longest span40 ft (12.1 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 traffic127 (2010)
Projected traffic152 by 2039
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 3000 RD Mile 20 over Cotton Creek built?

It was built in 1983, making it 42 years old in 2025.

What condition is 3000 RD Mile 20 over Cotton 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 2023.

How much traffic does 3000 RD Mile 20 over Cotton Creek carry?

About 127 vehicles per day (2010 count), of which roughly 3% are trucks.

How long is 3000 RD Mile 20 over Cotton Creek?

The structure is 102 ft (31.2 m) long with a longest span of 40 ft (12.1 m) and a deck 28 ft wide.

Who owns 3000 RD Mile 20 over Cotton Creek?

It is owned by the County Highway Agency.