US Bridges

RD 10 939.9-552.0 over Trib. to Verdigris River

FairPosted for load

Lyon County, Kansas · 6.0S 2.5W of Olpe · Structure no. 000560939905520

Built
1936
89 years old
Condition
Fair
inspected February 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
99 ft
3 main spans
Daily traffic
54
2007 count
Owner
County
County Highway Agency

About this bridge

RD 10 939.9-552.0 over Trib. to Verdigris River is a steel stringer/multi-beam or girder carrying RD 10 939.9-552.0 over Trib. to Verdigris River in Lyon County, Kansas. It was built in 1936, so it is 89 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 54 vehicles a day, roughly 1% of them trucks, projected to reach 54 by 2043. The structure is 99 ft (30.2 m) long and 22 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
CarriesRD 10 939.9-552.0
CrossesTrib. to Verdigris River
Location6.0S 2.5W of Olpe
RouteCounty Highway 0
CountyLyon County
StateKansas
Coordinates38.17264, -96.21369
Functional classRural Minor 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating41.9 US tons
Inventory rating25.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length99 ft (30.2 m)
Longest span32 ft (9.9 m)
Deck width22 ft (6.7 m)
Roadway width19 ft (5.9 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic54 (2007)
Projected traffic54 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 statusPossibly eligible for the National Register; requires further investigation
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$157,000
NavigationNo navigation control on waterway

Frequently asked questions

When was RD 10 939.9-552.0 over Trib. to Verdigris River built?

It was built in 1936, making it 89 years old in 2025.

What condition is RD 10 939.9-552.0 over Trib. to Verdigris River 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 February 2023.

How much traffic does RD 10 939.9-552.0 over Trib. to Verdigris River carry?

About 54 vehicles per day (2007 count), of which roughly 1% are trucks.

How long is RD 10 939.9-552.0 over Trib. to Verdigris River?

The structure is 99 ft (30.2 m) long with a longest span of 32 ft (9.9 m) and a deck 22 ft wide.

Who owns RD 10 939.9-552.0 over Trib. to Verdigris River?

It is owned by the County Highway Agency.