US Bridges

Rs 151 M.4-75.0 over Stream

FairPosted for load

Lyon County, Kansas · 1.0E 0.5N of Olpe · Structure no. 000000000560010

Built
1949
76 years old
Condition
Fair
inspected February 2023
Type
Culvert
Concrete
Length
22 ft
2 main spans
Daily traffic
360
2007 count
Owner
County
County Highway Agency

About this bridge

Rs 151 M.4-75.0 over Stream is a concrete culvert carrying Rs 151 M.4-75.0 over Stream in Lyon County, Kansas. It was built in 1949, so it is 76 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 360 vehicles a day, roughly 10% of them trucks, projected to reach 380 by 2043. The structure is 22 ft (6.6 m) long. If it were closed, the detour would be 3.1 mi (5 km).

Location

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CarriesRs 151 M.4-75.0
CrossesStream
Location1.0E 0.5N of Olpe
RouteCounty Highway 151
CountyLyon County
StateKansas
Coordinates38.26717, -96.1465
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 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
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating25 US tons
Inventory rating25 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length22 ft (6.6 m)
Longest span10 ft (3.1 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic360 (2007)
Projected traffic380 by 2043
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$47,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Rs 151 M.4-75.0 over Stream built?

It was built in 1949, making it 76 years old in 2025.

What condition is Rs 151 M.4-75.0 over Stream 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 Rs 151 M.4-75.0 over Stream carry?

About 360 vehicles per day (2007 count), of which roughly 10% are trucks.

How long is Rs 151 M.4-75.0 over Stream?

The structure is 22 ft (6.6 m) long with a longest span of 10 ft (3.1 m).

Who owns Rs 151 M.4-75.0 over Stream?

It is owned by the County Highway Agency.