US Bridges

Cty RD 9 (Y-18.5) over Trib. to West Creek

Good

Greenwood County, Kansas · 4.5S 4.0E of Hamilton · Structure no. 000370955005865

Built
1950
75 years old
Condition
Good
inspected June 2023
Type
Culvert
Concrete
Length
25 ft
2 main spans
Daily traffic
56
2006 count
Owner
County
County Highway Agency

About this bridge

Cty RD 9 (Y-18.5) over Trib. to West Creek is a concrete culvert carrying Cty RD 9 (Y-18.5) over Trib. to West Creek in Greenwood County, Kansas. It was built in 1950, so it is 75 years old, older than the Kansas average of 52.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 56 vehicles a day, roughly 2% of them trucks, projected to reach 56 by 2043. The structure is 25 ft (7.6 m) long and 27 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesCty RD 9 (Y-18.5)
CrossesTrib. to West Creek
Location4.5S 4.0E of Hamilton
RouteCounty Highway 3721
StateKansas
Coordinates37.91995, -96.08609
Functional classRural Minor Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating42.9 US tons
Inventory rating25.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadH 15
Structure length25 ft (7.6 m)
Longest span12 ft (3.6 m)
Deck width27 ft (8.1 m)
Roadway width25 ft (7.5 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic56 (2006)
Projected traffic56 by 2043
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Cty RD 9 (Y-18.5) over Trib. to West Creek built?

It was built in 1950, making it 75 years old in 2025.

What condition is Cty RD 9 (Y-18.5) over Trib. to West Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in June 2023.

How much traffic does Cty RD 9 (Y-18.5) over Trib. to West Creek carry?

About 56 vehicles per day (2006 count), of which roughly 2% are trucks.

How long is Cty RD 9 (Y-18.5) over Trib. to West Creek?

The structure is 25 ft (7.6 m) long with a longest span of 12 ft (3.6 m) and a deck 27 ft wide.

Who owns Cty RD 9 (Y-18.5) over Trib. to West Creek?

It is owned by the County Highway Agency.