US Bridges

Decatur Road over Plum Creek

Fair

Wilson County, Kansas · 5.7S 4.0W of Fredonia · Structure no. 000000001030150

Built
1940
85 years old
Condition
Fair
inspected July 2024
Type
Slab
Concrete Continuous
Length
24 ft
2 main spans
Daily traffic
69
2013 count
Owner
County
County Highway Agency

About this bridge

Decatur Road over Plum Creek is a concrete continuous slab carrying Decatur Road over Plum Creek in Wilson County, Kansas. It was built in 1940, so it is 85 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 69 vehicles a day, roughly 1% of them trucks, projected to reach 83 by 2042. The structure is 24 ft (7.2 m) long and 28 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesDecatur Road
CrossesPlum Creek
Location5.7S 4.0W of Fredonia
RouteCounty Highway 660
StateKansas
Coordinates37.44888, -95.90657
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating36 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length24 ft (7.2 m)
Longest span11 ft (3.5 m)
Deck width28 ft (8.4 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic69 (2013)
Projected traffic83 by 2042
Trucks1%
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 statusPossibly eligible for the National Register; requires further investigation
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Decatur Road over Plum Creek built?

It was built in 1940, making it 85 years old in 2025.

What condition is Decatur 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 July 2024.

How much traffic does Decatur Road over Plum Creek carry?

About 69 vehicles per day (2013 count), of which roughly 1% are trucks.

How long is Decatur Road over Plum Creek?

The structure is 24 ft (7.2 m) long with a longest span of 11 ft (3.5 m) and a deck 28 ft wide.

Who owns Decatur Road over Plum Creek?

It is owned by the County Highway Agency.