US Bridges

Rs 309 over Dog Creek

FairPosted for load

Sedgwick County, Kansas · 1.5E of Mulvane · Structure no. 000000000870580

Built
1976
49 years old
Condition
Fair
inspected November 2024
Type
Culvert
Concrete
Length
44 ft
4 main spans
Daily traffic
734
2022 count
Owner
County
County Highway Agency

About this bridge

Rs 309 over Dog Creek is a concrete culvert carrying Rs 309 over Dog Creek in Sedgwick County, Kansas. It was built in 1976, so it is 49 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 734 vehicles a day, roughly 5% of them trucks, projected to reach 895 by 2044. The structure is 44 ft (13.4 m) long and 38 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesRs 309
CrossesDog Creek
Location1.5E of Mulvane
RouteCounty Highway 309
CountySedgwick County
StateKansas
Coordinates37.48328, -97.20815
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionNovember 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 geometry7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating39 US tons
Inventory rating23.4 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans4
Design loadH 20
Structure length44 ft (13.4 m)
Longest span11 ft (3.4 m)
Deck width38 ft (11.6 m)
Roadway width36 ft (11 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic734 (2022)
Projected traffic895 by 2044
Trucks5%
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 statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$150,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Rs 309 over Dog Creek built?

It was built in 1976, making it 49 years old in 2025.

What condition is Rs 309 over Dog 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 November 2024.

How much traffic does Rs 309 over Dog Creek carry?

About 734 vehicles per day (2022 count), of which roughly 5% are trucks.

How long is Rs 309 over Dog Creek?

The structure is 44 ft (13.4 m) long with a longest span of 11 ft (3.4 m) and a deck 38 ft wide.

Who owns Rs 309 over Dog Creek?

It is owned by the County Highway Agency.