US Bridges

K15 HWY over Chapman Creek

Poor

Dickinson County, Kansas · 4.38 MI N Ejct K18 · Structure no. 999901500210621

Built
1954
71 years old
Condition
Poor
inspected January 2025
Type
Tee Beam
Concrete Continuous
Length
281 ft
5 main spans
Daily traffic
1,241
2023 count
Owner
State
State Highway Agency

About this bridge

K15 HWY over Chapman Creek is a concrete continuous tee beam carrying K15 HWY over Chapman Creek in Dickinson County, Kansas. It was built in 1954, so it is 71 years old, older 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 1,241 vehicles a day, roughly 32% of them trucks, projected to reach 1,266 by 2044. The structure is 281 ft (85.8 m) long and 31 ft wide. If it were closed, the detour would be 21.1 mi (34 km).

Location

Open in Google Maps
CarriesK15 HWY
CrossesChapman Creek
Location4.38 MI N Ejct K18
RouteState Highway 15
CountyDickinson County
StateKansas
Coordinates39.09528, -97.12972
Functional classRural Minor Arterial

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
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2025
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating45.6 US tons
Inventory rating26 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadH 20
Structure length281 ft (85.8 m)
Longest span63 ft (19.2 m)
Deck width31 ft (9.5 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,241 (2023)
Projected traffic1,266 by 2044
Trucks32%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed21.1 mi (34 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 Chapman Creek built?

It was built in 1954, making it 71 years old in 2025.

What condition is K15 HWY over Chapman 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 January 2025.

How much traffic does K15 HWY over Chapman Creek carry?

About 1,241 vehicles per day (2023 count), of which roughly 32% are trucks.

How long is K15 HWY over Chapman Creek?

The structure is 281 ft (85.8 m) long with a longest span of 63 ft (19.2 m) and a deck 31 ft wide.

Who owns K15 HWY over Chapman Creek?

It is owned by the State Highway Agency.