US Bridges

NW 80 RD over Stream

FairPosted for load

Harper County, Kansas · 0.4 E. of Crystal Springs · Structure no. 000390733406760

Built
1992
33 years old
Condition
Fair
inspected February 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
60 ft
2 main spans
Daily traffic
30
2021 count
Owner
County
County Highway Agency

About this bridge

NW 80 RD over Stream is a steel continuous stringer/multi-beam or girder carrying NW 80 RD over Stream in Harper County, Kansas. It was built in 1992, so it is 33 years old, younger 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 30 vehicles a day, roughly 1% of them trucks, projected to reach 30 by 2043. The structure is 60 ft (18.3 m) long and 23 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesNW 80 RD
CrossesStream
Location0.4 E. of Crystal Springs
RouteCounty Highway 0
CountyHarper County
StateKansas
Coordinates37.26816, -98.12239
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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating25.4 US tons
Inventory rating15.2 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckCorrugated steel
Main spans2
Design loadUnknown
Structure length60 ft (18.3 m)
Longest span30 ft (9.1 m)
Deck width23 ft (7.1 m)
Roadway width23 ft (6.9 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic30 (2021)
Projected traffic30 by 2043
Trucks1%
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 statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was NW 80 RD over Stream built?

It was built in 1992, making it 33 years old in 2025.

What condition is NW 80 RD 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 NW 80 RD over Stream carry?

About 30 vehicles per day (2021 count), of which roughly 1% are trucks.

How long is NW 80 RD over Stream?

The structure is 60 ft (18.3 m) long with a longest span of 30 ft (9.1 m) and a deck 23 ft wide.

Who owns NW 80 RD over Stream?

It is owned by the County Highway Agency.