US Bridges

RD U (R.0-18.3) over Stream

Fair

Lyon County, Kansas · 1.0N 2.0E of Lang · Structure no. 000000000560680

Built
1957
68 years old
Condition
Fair
inspected February 2023
Type
Culvert
Concrete
Length
23 ft
2 main spans
Daily traffic
206
2007 count
Owner
County
County Highway Agency

About this bridge

RD U (R.0-18.3) over Stream is a concrete culvert carrying RD U (R.0-18.3) over Stream in Lyon County, Kansas. It was built in 1957, so it is 68 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.

It carries about 206 vehicles a day, roughly 10% of them trucks, projected to reach 220 by 2043. The structure is 23 ft (6.9 m) long and 28 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
CarriesRD U (R.0-18.3)
CrossesStream
Location1.0N 2.0E of Lang
RouteCounty Highway 1508
CountyLyon County
StateKansas
Coordinates38.474, -96.04225
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 statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60.1 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadH 15
Structure length23 ft (6.9 m)
Longest span11 ft (3.4 m)
Deck width28 ft (8.5 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic206 (2007)
Projected traffic220 by 2043
Trucks10%
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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$48,000
NavigationNo navigation control on waterway

Frequently asked questions

When was RD U (R.0-18.3) over Stream built?

It was built in 1957, making it 68 years old in 2025.

What condition is RD U (R.0-18.3) 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 RD U (R.0-18.3) over Stream carry?

About 206 vehicles per day (2007 count), of which roughly 10% are trucks.

How long is RD U (R.0-18.3) over Stream?

The structure is 23 ft (6.9 m) long with a longest span of 11 ft (3.4 m) and a deck 28 ft wide.

Who owns RD U (R.0-18.3) over Stream?

It is owned by the County Highway Agency.