US Bridges

NE 50 Ave over Spring Creek

FairPosted for load

Harper County, Kansas · 3.5N 4.0E of Harper · Structure no. 000390753006666

Built
1930
95 years old
Condition
Fair
inspected February 2023
Type
Slab
Concrete Continuous
Length
50 ft
3 main spans
Daily traffic
20
2021 count
Owner
County
County Highway Agency

About this bridge

NE 50 Ave over Spring Creek is a concrete continuous slab carrying NE 50 Ave over Spring Creek 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 20 vehicles a day, roughly 2% of them trucks, projected to reach 20 by 2043. The structure is 50 ft (15.2 m) long and 18 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesNE 50 Ave
CrossesSpring Creek
Location3.5N 4.0E of Harper
RouteCounty Highway 0
CountyHarper County
StateKansas
Coordinates37.33319, -97.94942
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; action required to protect exposed foundations
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 alignment6: Equal to present minimum criteria
Operating rating16 US tons
Inventory rating16 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length50 ft (15.2 m)
Longest span16 ft (4.9 m)
Deck width18 ft (5.5 m)
Roadway width16 ft (4.9 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic20 (2021)
Projected traffic20 by 2043
Trucks2%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was NE 50 Ave over Spring Creek built?

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

What condition is NE 50 Ave over Spring Creek 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 Spring Creek carry?

About 20 vehicles per day (2021 count), of which roughly 2% are trucks.

How long is NE 50 Ave over Spring Creek?

The structure is 50 ft (15.2 m) long with a longest span of 16 ft (4.9 m) and a deck 18 ft wide.

Who owns NE 50 Ave over Spring Creek?

It is owned by the County Highway Agency.