US Bridges

Wellman Rd. over Big Slough Creek

FairPosted for load

Jefferson County, Kansas · 2.5W 1.0N of Mclouth · Structure no. 000000000440010

Built
1947
78 years old
Condition
Fair
inspected November 2024
Type
Culvert
Concrete
Length
25 ft
2 main spans
Daily traffic
695
2019 count
Owner
County
County Highway Agency

About this bridge

Wellman Rd. over Big Slough Creek is a concrete culvert carrying Wellman Rd. over Big Slough Creek in Jefferson County, Kansas. It was built in 1947, so it is 78 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 695 vehicles a day, roughly 1% of them trucks, projected to reach 650 by 2040. The structure is 25 ft (7.6 m) long and 27 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

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CarriesWellman Rd.
CrossesBig Slough Creek
Location2.5W 1.0N of Mclouth
RouteCounty Highway 217
CountyJefferson County
StateKansas
Coordinates39.21082, -95.25463
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating15 US tons
Inventory rating15 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadH 20
Structure length25 ft (7.6 m)
Longest span12 ft (3.6 m)
Deck width27 ft (8.2 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic695 (2019)
Projected traffic650 by 2040
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 statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Wellman Rd. over Big Slough Creek built?

It was built in 1947, making it 78 years old in 2025.

What condition is Wellman Rd. over Big Slough 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 November 2024.

How much traffic does Wellman Rd. over Big Slough Creek carry?

About 695 vehicles per day (2019 count), of which roughly 1% are trucks.

How long is Wellman Rd. over Big Slough Creek?

The structure is 25 ft (7.6 m) long with a longest span of 12 ft (3.6 m) and a deck 27 ft wide.

Who owns Wellman Rd. over Big Slough Creek?

It is owned by the County Highway Agency.