US Bridges

RD 20 943.5-550.0 over Stream

GoodPosted for load

Lyon County, Kansas · 5.0S 1.0W of Olpe · Structure no. 000560943505500

Built
1971
54 years old
Condition
Good
inspected February 2023
Type
Culvert
Concrete
Length
25 ft
3 main spans
Daily traffic
50
2007 count
Owner
County
County Highway Agency

About this bridge

RD 20 943.5-550.0 over Stream is a concrete culvert carrying RD 20 943.5-550.0 over Stream in Lyon County, Kansas. It was built in 1971, so it is 54 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 50 vehicles a day, projected to reach 50 by 2043. The structure is 25 ft (7.7 m) long and 28 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesRD 20 943.5-550.0
CrossesStream
Location5.0S 1.0W of Olpe
RouteCounty Highway 0
CountyLyon County
StateKansas
Coordinates38.18692, -96.18661
Functional classRural Local

Condition and inspection

Good

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

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating25 US tons
Inventory rating25 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadUnknown
Structure length25 ft (7.7 m)
Longest span8 ft (2.4 m)
Deck width28 ft (8.5 m)
Roadway width26 ft (8 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic50 (2007)
Projected traffic50 by 2043
Trucks0%
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 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 RD 20 943.5-550.0 over Stream built?

It was built in 1971, making it 54 years old in 2025.

What condition is RD 20 943.5-550.0 over Stream 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 February 2023.

How much traffic does RD 20 943.5-550.0 over Stream carry?

About 50 vehicles per day (2007 count).

How long is RD 20 943.5-550.0 over Stream?

The structure is 25 ft (7.7 m) long with a longest span of 8 ft (2.4 m) and a deck 28 ft wide.

Who owns RD 20 943.5-550.0 over Stream?

It is owned by the County Highway Agency.