US Bridges

Rs 309 Greenwich over Whitewater Creek

Poor

Sedgwick County, Kansas · 4.0E 0.5N of Kechi · Structure no. 000000000870560

Built
1975
50 years old
Condition
Poor
inspected September 2023
Type
Culvert
Concrete
Length
43 ft
4 main spans
Daily traffic
1,547
2022 count
Owner
County
County Highway Agency

About this bridge

Rs 309 Greenwich over Whitewater Creek is a concrete culvert carrying Rs 309 Greenwich over Whitewater 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 poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 1,547 vehicles a day, roughly 8% of them trucks, projected to reach 1,888 by 2044. The structure is 43 ft (13.1 m) long and 42 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesRs 309 Greenwich
CrossesWhitewater Creek
Location4.0E 0.5N of Kechi
RouteCounty Highway 309
StateKansas
Coordinates37.80363, -97.20833
Functional classRural Major Collector

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating36.3 US tons
Inventory rating21.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans4
Design loadH 20
Structure length43 ft (13.1 m)
Longest span10 ft (2.9 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 traffic1,547 (2022)
Projected traffic1,888 by 2044
Trucks8%
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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$650,000 (2023 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Rs 309 Greenwich over Whitewater Creek built?

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

What condition is Rs 309 Greenwich over Whitewater Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in September 2023.

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

About 1,547 vehicles per day (2022 count), of which roughly 8% are trucks.

How long is Rs 309 Greenwich over Whitewater Creek?

The structure is 43 ft (13.1 m) long with a longest span of 10 ft (2.9 m) and a deck 42 ft wide.

Who owns Rs 309 Greenwich over Whitewater Creek?

It is owned by the County Highway Agency.