US Bridges

K-3 Knapp Road over Plum Creek

FairPosted for load

Leavenworth County, Kansas · 1.0W of Kickapoo · Structure no. 000521071003825

Built
1932
93 years old, rebuilt 1960
Condition
Fair
inspected January 2025
Type
Stringer/Multi-beam or Girder
Steel
Length
57 ft
2 main spans
Daily traffic
12
2024 count
Owner
County
County Highway Agency

About this bridge

K-3 Knapp Road over Plum Creek is a steel stringer/multi-beam or girder carrying K-3 Knapp Road over Plum Creek in Leavenworth County, Kansas. It was built in 1932 and reconstructed in 1960, so it is 93 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. Its operating status is: posted for load restriction.

It carries about 12 vehicles a day, roughly 16% of them trucks, projected to reach 50 by 2042. The structure is 57 ft (17.4 m) long and 16 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

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CarriesK-3 Knapp Road
CrossesPlum Creek
Location1.0W of Kickapoo
RouteCounty Highway 0
CountyLeavenworth County
StateKansas
Coordinates39.39708, -94.99262
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating28.9 US tons
Inventory rating17 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length57 ft (17.4 m)
Longest span38 ft (11.7 m)
Deck width16 ft (5 m)
Roadway width16 ft (5 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic12 (2024)
Projected traffic50 by 2042
Trucks16%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 K-3 Knapp Road over Plum Creek built?

It was built in 1932, making it 93 years old in 2025. It was reconstructed in 1960.

What condition is K-3 Knapp Road over Plum 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 January 2025.

How much traffic does K-3 Knapp Road over Plum Creek carry?

About 12 vehicles per day (2024 count), of which roughly 16% are trucks.

How long is K-3 Knapp Road over Plum Creek?

The structure is 57 ft (17.4 m) long with a longest span of 38 ft (11.7 m) and a deck 16 ft wide.

Who owns K-3 Knapp Road over Plum Creek?

It is owned by the County Highway Agency.