US Bridges

County Rd. L over Stream

Fair

Lyon County, Kansas · 4.3N of Allen · Structure no. 000000000560280

Built
1953
72 years old
Condition
Fair
inspected February 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
93 ft
3 main spans
Daily traffic
25
2007 count
Owner
County
County Highway Agency

About this bridge

County Rd. L over Stream is a steel continuous stringer/multi-beam or girder carrying County Rd. L over Stream in Lyon County, Kansas. It was built in 1953, so it is 72 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 25 vehicles a day, projected to reach 30 by 2043. The structure is 93 ft (28.4 m) long and 27 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
CarriesCounty Rd. L
CrossesStream
Location4.3N of Allen
RouteCounty Highway 415
CountyLyon County
StateKansas
Coordinates38.72067, -96.168
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating39.4 US tons
Inventory rating23.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckOther
Main spans3
Design loadH 15
Structure length93 ft (28.4 m)
Longest span36 ft (11 m)
Deck width27 ft (8.1 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic25 (2007)
Projected traffic30 by 2043
Trucks0%
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 County Rd. L over Stream built?

It was built in 1953, making it 72 years old in 2025.

What condition is County Rd. L 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 County Rd. L over Stream carry?

About 25 vehicles per day (2007 count).

How long is County Rd. L over Stream?

The structure is 93 ft (28.4 m) long with a longest span of 36 ft (11 m) and a deck 27 ft wide.

Who owns County Rd. L over Stream?

It is owned by the County Highway Agency.