US Bridges

NE 30th Road over Spring Creek

FairPosted for load

Harper County, Kansas · 0.4S 3.0W of Runnymede · Structure no. 000000000390290

Built
1948
77 years old
Condition
Fair
inspected August 2023
Type
Culvert
Concrete
Length
41 ft
2 main spans
Daily traffic
140
2021 count
Owner
County
County Highway Agency

About this bridge

NE 30th Road over Spring Creek is a concrete culvert carrying NE 30th Road over Spring Creek in Harper County, Kansas. It was built in 1948, so it is 77 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 140 vehicles a day, roughly 3% of them trucks, projected to reach 180 by 2043. The structure is 41 ft (12.5 m) long and 31 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesNE 30th Road
CrossesSpring Creek
Location0.4S 3.0W of Runnymede
RouteCounty Highway 303
CountyHarper County
StateKansas
Coordinates37.35122, -97.98611
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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 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 adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating5.4 US tons
Inventory rating3.2 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadH 15
Structure length41 ft (12.5 m)
Longest span20 ft (6 m)
Deck width31 ft (9.3 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic140 (2021)
Projected traffic180 by 2043
Trucks3%
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$91,000
NavigationNo navigation control on waterway

Frequently asked questions

When was NE 30th Road over Spring Creek built?

It was built in 1948, making it 77 years old in 2025.

What condition is NE 30th Road over Spring Creek 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 August 2023.

How much traffic does NE 30th Road over Spring Creek carry?

About 140 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is NE 30th Road over Spring Creek?

The structure is 41 ft (12.5 m) long with a longest span of 20 ft (6 m) and a deck 31 ft wide.

Who owns NE 30th Road over Spring Creek?

It is owned by the County Highway Agency.