US Bridges

Decatur RD Rs 660 over Rainbow Creek

Fair

Wilson County, Kansas · 3.3S 4.0W of Fredonia · Structure no. 000000001030160

Built
1940
85 years old
Condition
Fair
inspected August 2024
Type
Culvert
Concrete
Length
44 ft
3 main spans
Daily traffic
25
2013 count
Owner
County
County Highway Agency

About this bridge

Decatur RD Rs 660 over Rainbow Creek is a concrete culvert carrying Decatur RD Rs 660 over Rainbow 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 25 vehicles a day, roughly 1% of them trucks, projected to reach 156 by 2042. The structure is 44 ft (13.4 m) long and 23 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesDecatur RD Rs 660
CrossesRainbow Creek
Location3.3S 4.0W of Fredonia
RouteCounty Highway 660
CountyWilson County
StateKansas
Coordinates37.48175, -95.90716
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 protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2024
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 adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadUnknown
Structure length44 ft (13.4 m)
Longest span14 ft (4.2 m)
Deck width23 ft (6.9 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic25 (2013)
Projected traffic156 by 2042
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 RD Rs 660 over Rainbow Creek built?

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

What condition is Decatur RD Rs 660 over Rainbow 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 August 2024.

How much traffic does Decatur RD Rs 660 over Rainbow Creek carry?

About 25 vehicles per day (2013 count), of which roughly 1% are trucks.

How long is Decatur RD Rs 660 over Rainbow Creek?

The structure is 44 ft (13.4 m) long with a longest span of 14 ft (4.2 m) and a deck 23 ft wide.

Who owns Decatur RD Rs 660 over Rainbow Creek?

It is owned by the County Highway Agency.