US Bridges

RD 20 935.6-550.0 over Stream

Good

Lyon County, Kansas · 5.0S 5.35W of Olpe · Structure no. 000560935605500

Built
2019
6 years old
Condition
Good
inspected February 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
40 ft
1 main span
Daily traffic
80
2018 count
Owner
County
County Highway Agency

About this bridge

RD 20 935.6-550.0 over Stream is a steel stringer/multi-beam or girder carrying RD 20 935.6-550.0 over Stream in Lyon County, Kansas. It was built in 2019, so it is 6 years old, younger 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.

It carries about 80 vehicles a day, roughly 1% of them trucks, projected to reach 80 by 2043. The structure is 40 ft (12.3 m) long and 24 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
CarriesRD 20 935.6-550.0
CrossesStream
Location5.0S 5.35W of Olpe
RouteCounty Highway 5602
CountyLyon County
StateKansas
Coordinates38.18733, -96.25558
Functional classRural Minor Collector

Condition and inspection

Good

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating54.1 US tons
Inventory rating32.4 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckCorrugated steel
Main spans1
Design loadHS 20
Structure length40 ft (12.3 m)
Longest span38 ft (11.7 m)
Deck width24 ft (7.3 m)
Roadway width24 ft (7.2 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic80 (2018)
Projected traffic80 by 2043
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 RD 20 935.6-550.0 over Stream built?

It was built in 2019, making it 6 years old in 2025.

What condition is RD 20 935.6-550.0 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 20 935.6-550.0 over Stream carry?

About 80 vehicles per day (2018 count), of which roughly 1% are trucks.

How long is RD 20 935.6-550.0 over Stream?

The structure is 40 ft (12.3 m) long with a longest span of 38 ft (11.7 m) and a deck 24 ft wide.

Who owns RD 20 935.6-550.0 over Stream?

It is owned by the County Highway Agency.