US Bridges

Cty RD Aa (Y-18.0) over West Creek

FairPosted for load

Greenwood County, Kansas · 4.0S 4.0E of Hamilton · Structure no. 000370955005860

Built
1978
47 years old
Condition
Fair
inspected June 2023
Type
Tee Beam
Prestressed Concrete Continuous
Length
188 ft
3 main spans
Daily traffic
56
2006 count
Owner
County
County Highway Agency

About this bridge

Cty RD Aa (Y-18.0) over West Creek is a prestressed concrete continuous tee beam carrying Cty RD Aa (Y-18.0) over West Creek in Greenwood County, Kansas. It was built in 1978, so it is 47 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 56 vehicles a day, projected to reach 56 by 2043. The structure is 188 ft (57.2 m) long and 38 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesCty RD Aa (Y-18.0)
CrossesWest Creek
Location4.0S 4.0E of Hamilton
RouteCounty Highway 3721
StateKansas
Coordinates37.92682, -96.08595
Functional classRural Minor 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 inspectionJune 2023
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 geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating23.6 US tons
Inventory rating13 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length188 ft (57.2 m)
Longest span63 ft (19.2 m)
Deck width38 ft (11.5 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic56 (2006)
Projected traffic56 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 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 Cty RD Aa (Y-18.0) over West Creek built?

It was built in 1978, making it 47 years old in 2025.

What condition is Cty RD Aa (Y-18.0) over West 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 June 2023.

How much traffic does Cty RD Aa (Y-18.0) over West Creek carry?

About 56 vehicles per day (2006 count).

How long is Cty RD Aa (Y-18.0) over West Creek?

The structure is 188 ft (57.2 m) long with a longest span of 63 ft (19.2 m) and a deck 38 ft wide.

Who owns Cty RD Aa (Y-18.0) over West Creek?

It is owned by the County Highway Agency.