US Bridges

SE 30 RD over Spring Branch Creek

FairPosted for load

Harper County, Kansas · 2.5N 1.8E of Bluff City · Structure no. 000390763806980

Built
2004
21 years old
Condition
Fair
inspected February 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
67 ft
3 main spans
Daily traffic
10
2021 count
Owner
County
County Highway Agency

About this bridge

SE 30 RD over Spring Branch Creek is a steel continuous stringer/multi-beam or girder carrying SE 30 RD over Spring Branch Creek in Harper County, Kansas. It was built in 2004, so it is 21 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 10 vehicles a day, roughly 10% of them trucks, projected to reach 10 by 2043. The structure is 67 ft (20.4 m) long and 24 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesSE 30 RD
CrossesSpring Branch Creek
Location2.5N 1.8E of Bluff City
RouteCounty Highway 0
CountyHarper County
StateKansas
Coordinates37.11031, -97.84228
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 protection7 GoodSome minor problems.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating33.2 US tons
Inventory rating20 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckCorrugated steel
Main spans3
Design loadUnknown
Structure length67 ft (20.4 m)
Longest span26 ft (8 m)
Deck width24 ft (7.4 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic10 (2021)
Projected traffic10 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 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 SE 30 RD over Spring Branch Creek built?

It was built in 2004, making it 21 years old in 2025.

What condition is SE 30 RD over Spring Branch 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 February 2023.

How much traffic does SE 30 RD over Spring Branch Creek carry?

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

How long is SE 30 RD over Spring Branch Creek?

The structure is 67 ft (20.4 m) long with a longest span of 26 ft (8 m) and a deck 24 ft wide.

Who owns SE 30 RD over Spring Branch Creek?

It is owned by the County Highway Agency.