US Bridges

K15 HWY over S. Cottonwood River Drg.

Fair

Marion County, Kansas · 1.32 MI S Wjct US56 · Structure no. 999901500570321

Built
1949
76 years old
Condition
Fair
inspected October 2023
Type
Culvert
Concrete
Length
25 ft
2 main spans
Daily traffic
1,346
2023 count
Owner
State
State Highway Agency

About this bridge

K15 HWY over S. Cottonwood River Drg. is a concrete culvert carrying K15 HWY over S. Cottonwood River Drg. in Marion County, Kansas. It was built in 1949, so it is 76 years old, older 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 1,346 vehicles a day, roughly 15% of them trucks, projected to reach 1,346 by 2044. The structure is 25 ft (7.6 m) long and 34 ft wide. If it were closed, the detour would be 18 mi (29 km).

Location

Open in Google Maps
CarriesK15 HWY
CrossesS. Cottonwood River Drg.
Location1.32 MI S Wjct US56
RouteState Highway 15
CountyMarion County
StateKansas
Coordinates38.34306, -97.33472
Functional classRural Minor Arterial

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 inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating50.7 US tons
Inventory rating30 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadH 20
Structure length25 ft (7.6 m)
Longest span12 ft (3.7 m)
Deck width34 ft (10.5 m)
Roadway width31 ft (9.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,346 (2023)
Projected traffic1,346 by 2044
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed18 mi (29 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was K15 HWY over S. Cottonwood River Drg. built?

It was built in 1949, making it 76 years old in 2025.

What condition is K15 HWY over S. Cottonwood River Drg. 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 October 2023.

How much traffic does K15 HWY over S. Cottonwood River Drg. carry?

About 1,346 vehicles per day (2023 count), of which roughly 15% are trucks.

How long is K15 HWY over S. Cottonwood River Drg.?

The structure is 25 ft (7.6 m) long with a longest span of 12 ft (3.7 m) and a deck 34 ft wide.

Who owns K15 HWY over S. Cottonwood River Drg.?

It is owned by the State Highway Agency.