US Bridges

Rs 406 10 over Richland Creek

GoodPosted for load

Linn County, Kansas · 6.7W of Boicourt · Structure no. 000000000540023

Built
1970
55 years old
Condition
Good
inspected March 2024
Type
Tee Beam
Concrete Continuous
Length
107 ft
3 main spans
Daily traffic
39
2006 count
Owner
County
County Highway Agency

About this bridge

Rs 406 10 over Richland Creek is a concrete continuous tee beam carrying Rs 406 10 over Richland Creek in Linn County, Kansas. It was built in 1970, so it is 55 years old, older than the Kansas average of 52.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. Its operating status is: posted for load restriction.

It carries about 39 vehicles a day, projected to reach 45 by 2044. The structure is 107 ft (32.6 m) long and 28 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesRs 406 10
CrossesRichland Creek
Location6.7W of Boicourt
RouteCounty Highway 406
StateKansas
Coordinates38.26546, -94.83561
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating33.6 US tons
Inventory rating20 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length107 ft (32.6 m)
Longest span40 ft (12.1 m)
Deck width28 ft (8.5 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic39 (2006)
Projected traffic45 by 2044
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Rs 406 10 over Richland Creek built?

It was built in 1970, making it 55 years old in 2025.

What condition is Rs 406 10 over Richland Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in March 2024.

How much traffic does Rs 406 10 over Richland Creek carry?

About 39 vehicles per day (2006 count).

How long is Rs 406 10 over Richland Creek?

The structure is 107 ft (32.6 m) long with a longest span of 40 ft (12.1 m) and a deck 28 ft wide.

Who owns Rs 406 10 over Richland Creek?

It is owned by the County Highway Agency.