US Bridges

NE 30 RD over Stream

PoorPosted for load

Harper County, Kansas · 2.0W of Freeport · Structure no. 000390759206860

Built
1930
95 years old
Condition
Poor
inspected February 2023
Type
Culvert
Concrete
Length
26 ft
3 main spans
Daily traffic
80
2021 count
Owner
County
County Highway Agency

About this bridge

NE 30 RD over Stream is a concrete culvert carrying NE 30 RD 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 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. Its operating status is: posted for load restriction.

It carries about 80 vehicles a day, roughly 10% of them trucks, projected to reach 80 by 2043. The structure is 26 ft (7.8 m) long and 35 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesNE 30 RD
CrossesStream
Location2.0W of Freeport
RouteCounty Highway 0
CountyHarper County
StateKansas
Coordinates37.197, -97.89075
Functional classRural Minor Collector

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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry9: Superior to present desirable criteria
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 typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadUnknown
Structure length26 ft (7.8 m)
Longest span8 ft (2.4 m)
Deck width35 ft (10.6 m)
Roadway width33 ft (10 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic80 (2021)
Projected traffic80 by 2043
Trucks10%
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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$350,000 (2023 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was NE 30 RD over Stream built?

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

What condition is NE 30 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 NE 30 RD over Stream carry?

About 80 vehicles per day (2021 count), of which roughly 10% are trucks.

How long is NE 30 RD over Stream?

The structure is 26 ft (7.8 m) long with a longest span of 8 ft (2.4 m) and a deck 35 ft wide.

Who owns NE 30 RD over Stream?

It is owned by the County Highway Agency.