US Bridges

W. 6th Ave. over Stream

FairPosted for load

Lyon County, Kansas · 5.4E 0.5S of Plymouth · Structure no. 508400560000008

Built
1930
95 years old
Condition
Fair
inspected February 2023
Type
Culvert
Concrete
Length
44 ft
5 main spans
Daily traffic
50
2007 count
Owner
City
City or Municipal Highway Agency

About this bridge

W. 6th Ave. over Stream is a concrete culvert carrying W. 6th Ave. over Stream in Lyon County, Kansas. It was built in 1930, so it is 95 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 50 vehicles a day, projected to reach 50 by 2043. The structure is 44 ft (13.4 m) long and 34 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesW. 6th Ave.
CrossesStream
Location5.4E 0.5S of Plymouth
RouteCity Street 0
StateKansas
Coordinates38.40502, -96.23419
Functional classUrban Local

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
Deck geometry8: Equal to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating25 US tons
Inventory rating25 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans5
Design loadUnknown
Structure length44 ft (13.4 m)
Longest span8 ft (2.4 m)
Deck width34 ft (10.5 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic50 (2007)
Projected traffic50 by 2043
Trucks0%
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

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was W. 6th Ave. over Stream built?

It was built in 1930, making it 95 years old in 2025.

What condition is W. 6th Ave. 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 W. 6th Ave. over Stream carry?

About 50 vehicles per day (2007 count).

How long is W. 6th Ave. over Stream?

The structure is 44 ft (13.4 m) long with a longest span of 8 ft (2.4 m) and a deck 34 ft wide.

Who owns W. 6th Ave. over Stream?

It is owned by the City or Municipal Highway Agency.