US Bridges

B-18.6 Local over Rainbow Creek

PoorPosted for load

Wilson County, Kansas · 1.0W 2.4N of Buxton · Structure no. 001030971006466

Built
1920
105 years old
Condition
Poor
inspected August 2024
Type
Stringer/Multi-beam or Girder
Concrete
Length
28 ft
1 main span
Daily traffic
20
2013 count
Owner
County
County Highway Agency

About this bridge

B-18.6 Local over Rainbow Creek is a concrete stringer/multi-beam or girder carrying B-18.6 Local over Rainbow Creek in Wilson County, Kansas. It was built in 1920, so it is 105 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 3 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. Its operating status is: posted for load restriction.

It carries about 20 vehicles a day, projected to reach 20 by 2043. The structure is 28 ft (8.5 m) long and 15 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesB-18.6 Local
CrossesRainbow Creek
Location1.0W 2.4N of Buxton
RouteCounty Highway 0
StateKansas
Coordinates37.47954, -95.94426
Functional classRural Local

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.
Superstructure3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Substructure3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionAugust 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating7.9 US tons
Inventory rating5 US tons

Structure

MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length28 ft (8.5 m)
Longest span25 ft (7.6 m)
Deck width15 ft (4.6 m)
Roadway width13 ft (4 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic20 (2013)
Projected traffic20 by 2043
Trucks0%
Lanes on structure1
Traffic directionOne-lane bridge for two-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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$290,000
NavigationNo navigation control on waterway

Frequently asked questions

When was B-18.6 Local over Rainbow Creek built?

It was built in 1920, making it 105 years old in 2025.

What condition is B-18.6 Local over Rainbow 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 August 2024.

How much traffic does B-18.6 Local over Rainbow Creek carry?

About 20 vehicles per day (2013 count).

How long is B-18.6 Local over Rainbow Creek?

The structure is 28 ft (8.5 m) long with a longest span of 25 ft (7.6 m) and a deck 15 ft wide.

Who owns B-18.6 Local over Rainbow Creek?

It is owned by the County Highway Agency.