US Bridges

County Rd. Aa over Trib to West Creek

Fair

Greenwood County, Kansas · 4.7S & 4.0E of Hamilton · Structure no. 000370955005867

Built
1978
47 years old
Condition
Fair
inspected June 2023
Type
Culvert
Concrete
Length
29 ft
2 main spans
Daily traffic
56
2006 count
Owner
County
County Highway Agency

About this bridge

County Rd. Aa over Trib to West Creek is a concrete culvert carrying County Rd. Aa over Trib to 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.

It carries about 56 vehicles a day, roughly 2% of them trucks, projected to reach 56 by 2043. The structure is 29 ft (8.8 m) long and 56 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

Location

Open in Google Maps
CarriesCounty Rd. Aa
CrossesTrib to West Creek
Location4.7S & 4.0E of Hamilton
RouteCounty Highway 3721
CountyGreenwood County
StateKansas
Coordinates37.91594, -96.08614
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
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 geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75.8 US tons
Inventory rating45.4 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadH 20
Structure length29 ft (8.8 m)
Longest span14 ft (4.2 m)
Deck width56 ft (17.1 m)
Roadway width30 ft (9.1 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 statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$55,000
NavigationNo navigation control on waterway

Frequently asked questions

When was County Rd. Aa over Trib to West Creek built?

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

What condition is County Rd. Aa over Trib to 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 County Rd. Aa over Trib to West Creek carry?

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

How long is County Rd. Aa over Trib to West Creek?

The structure is 29 ft (8.8 m) long with a longest span of 14 ft (4.2 m) and a deck 56 ft wide.

Who owns County Rd. Aa over Trib to West Creek?

It is owned by the County Highway Agency.