US Bridges

NW 130 RD over Stream

Poor

Harper County, Kansas · 4.0N 4.6W of Harper · Structure no. 000390733406660

Built
2001
24 years old
Condition
Poor
inspected February 2023
Type
Culvert
Steel
Length
21 ft
2 main spans
Daily traffic
20
2021 count
Owner
County
County Highway Agency

About this bridge

NW 130 RD over Stream is a steel culvert carrying NW 130 RD over Stream in Harper County, Kansas. It was built in 2001, so it is 24 years old, younger than the Kansas average of 52.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 20 vehicles a day, projected to reach 20 by 2043. The structure is 21 ft (6.3 m) long and 31 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesNW 130 RD
CrossesStream
Location4.0N 4.6W of Harper
RouteCounty Highway 0
StateKansas
Coordinates37.3407, -98.12533
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Culvert4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.2 US tons
Inventory rating28.8 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans2
Design loadUnknown
Structure length21 ft (6.3 m)
Longest span10 ft (3 m)
Deck width31 ft (9.3 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic20 (2021)
Projected traffic20 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 statusNot eligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$260,000
NavigationNo navigation control on waterway

Frequently asked questions

When was NW 130 RD over Stream built?

It was built in 2001, making it 24 years old in 2025.

What condition is NW 130 RD over Stream in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in February 2023.

How much traffic does NW 130 RD over Stream carry?

About 20 vehicles per day (2021 count).

How long is NW 130 RD over Stream?

The structure is 21 ft (6.3 m) long with a longest span of 10 ft (3 m) and a deck 31 ft wide.

Who owns NW 130 RD over Stream?

It is owned by the County Highway Agency.