US Bridges

Rs 302 NW 100 RD over Stream

FairPosted for load

Harper County, Kansas · 1.0N 3.0W of Harper · Structure no. 000000000390240

Built
1955
70 years old
Condition
Fair
inspected April 2023
Type
Culvert
Concrete
Length
21 ft
2 main spans
Daily traffic
138
2021 count
Owner
County
County Highway Agency

About this bridge

Rs 302 NW 100 RD over Stream is a concrete culvert carrying Rs 302 NW 100 RD over Stream in Harper County, Kansas. It was built in 1955, so it is 70 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 138 vehicles a day, projected to reach 160 by 2043. The structure is 21 ft (6.3 m) long and 30 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesRs 302 NW 100 RD
CrossesStream
Location1.0N 3.0W of Harper
RouteCounty Highway 302
CountyHarper County
StateKansas
Coordinates37.29728, -98.08022
Functional classRural Major 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 protection7 GoodSome minor problems.
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 evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating18 US tons
Inventory rating18 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadUnknown
Structure length21 ft (6.3 m)
Longest span10 ft (2.9 m)
Deck width30 ft (9.1 m)
Roadway width29 ft (8.8 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic138 (2021)
Projected traffic160 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 statusHistorical significance not determinable at this time
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$51,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Rs 302 NW 100 RD over Stream built?

It was built in 1955, making it 70 years old in 2025.

What condition is Rs 302 NW 100 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 April 2023.

How much traffic does Rs 302 NW 100 RD over Stream carry?

About 138 vehicles per day (2021 count).

How long is Rs 302 NW 100 RD over Stream?

The structure is 21 ft (6.3 m) long with a longest span of 10 ft (2.9 m) and a deck 30 ft wide.

Who owns Rs 302 NW 100 RD over Stream?

It is owned by the County Highway Agency.