US Bridges

NE 50 Ave over Stream

FairPosted for load

Harper County, Kansas · 0.5S 4.0E of Harper · Structure no. 000390753006746

Built
1930
95 years old
Condition
Fair
inspected February 2023
Type
Slab
Concrete
Length
23 ft
1 main span
Daily traffic
10
2021 count
Owner
County
County Highway Agency

About this bridge

NE 50 Ave over Stream is a concrete slab carrying NE 50 Ave over Stream in Harper 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 10 vehicles a day, projected to reach 10 by 2043. The structure is 23 ft (6.9 m) long and 20 ft wide.

Location

Open in Google Maps
CarriesNE 50 Ave
CrossesStream
Location0.5S 4.0E of Harper
RouteCounty Highway 0
CountyHarper County
StateKansas
Coordinates37.27569, -97.94892
Functional classRural 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating16 US tons
Inventory rating16 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length23 ft (6.9 m)
Longest span20 ft (6 m)
Deck width20 ft (6 m)
Roadway width17 ft (5.2 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic10 (2021)
Projected traffic10 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$46,000
NavigationNo navigation control on waterway

Frequently asked questions

When was NE 50 Ave over Stream built?

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

What condition is NE 50 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 NE 50 Ave over Stream carry?

About 10 vehicles per day (2021 count).

How long is NE 50 Ave over Stream?

The structure is 23 ft (6.9 m) long with a longest span of 20 ft (6 m) and a deck 20 ft wide.

Who owns NE 50 Ave over Stream?

It is owned by the County Highway Agency.