US Bridges

Rs 309 Greenwich over Prairie Creek

FairPosted for load

Sedgwick County, Kansas · 4.0E 4.4N of Kechi · Structure no. 000000000870540

Built
1975
50 years old
Condition
Fair
inspected July 2024
Type
Culvert
Concrete
Length
22 ft
2 main spans
Daily traffic
1,158
2022 count
Owner
County
County Highway Agency

About this bridge

Rs 309 Greenwich over Prairie Creek is a concrete culvert carrying Rs 309 Greenwich over Prairie Creek in Sedgwick 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 5 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 1,158 vehicles a day, roughly 6% of them trucks, projected to reach 1,413 by 2044. The structure is 22 ft (6.7 m) long and 42 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesRs 309 Greenwich
CrossesPrairie Creek
Location4.0E 4.4N of Kechi
RouteCounty Highway 309
StateKansas
Coordinates37.86023, -97.20727
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
Channel and channel protection7 GoodSome minor problems.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating35.2 US tons
Inventory rating21.1 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadH 20
Structure length22 ft (6.7 m)
Longest span10 ft (3 m)
Deck width42 ft (12.8 m)
Roadway width40 ft (12.1 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic1,158 (2022)
Projected traffic1,413 by 2044
Trucks6%
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 statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Rs 309 Greenwich over Prairie Creek built?

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

What condition is Rs 309 Greenwich over Prairie 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 July 2024.

How much traffic does Rs 309 Greenwich over Prairie Creek carry?

About 1,158 vehicles per day (2022 count), of which roughly 6% are trucks.

How long is Rs 309 Greenwich over Prairie Creek?

The structure is 22 ft (6.7 m) long with a longest span of 10 ft (3 m) and a deck 42 ft wide.

Who owns Rs 309 Greenwich over Prairie Creek?

It is owned by the County Highway Agency.