US Bridges

NW 60 Ave over Stream

FairPosted for load

Harper County, Kansas · 8.2N 4.0E of Attica · Structure no. 000390731006628

Built
1925
100 years old
Condition
Fair
inspected April 2023
Type
Culvert
Concrete
Length
25 ft
3 main spans
Daily traffic
80
2021 count
Owner
County
County Highway Agency

About this bridge

NW 60 Ave over Stream is a concrete culvert carrying NW 60 Ave over Stream in Harper County, Kansas. It was built in 1925, so it is 100 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 80 vehicles a day, projected to reach 80 by 2043. The structure is 25 ft (7.7 m) long and 30 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesNW 60 Ave
CrossesStream
Location8.2N 4.0E of Attica
RouteCounty Highway 0
CountyHarper County
StateKansas
Coordinates37.35903, -98.149
Functional classRural Minor 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 inspectionApril 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry6: Equal to present minimum criteria
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating11.6 US tons
Inventory rating6.9 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadUnknown
Structure length25 ft (7.7 m)
Longest span8 ft (2.4 m)
Deck width30 ft (9.1 m)
Roadway width28 ft (8.4 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic80 (2021)
Projected traffic80 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-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 NW 60 Ave over Stream built?

It was built in 1925, making it 100 years old in 2025.

What condition is NW 60 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 April 2023.

How much traffic does NW 60 Ave over Stream carry?

About 80 vehicles per day (2021 count).

How long is NW 60 Ave over Stream?

The structure is 25 ft (7.7 m) long with a longest span of 8 ft (2.4 m) and a deck 30 ft wide.

Who owns NW 60 Ave over Stream?

It is owned by the County Highway Agency.