US Bridges

SW 100 RD over Sandy Creek

Good

Harper County, Kansas · 1.7W of Waldron · Structure no. 000390723207120

Built
1986
39 years old
Condition
Good
inspected February 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
154 ft
4 main spans
Daily traffic
50
2021 count
Owner
County
County Highway Agency

About this bridge

SW 100 RD over Sandy Creek is a steel continuous stringer/multi-beam or girder carrying SW 100 RD over Sandy Creek in Harper County, Kansas. It was built in 1986, so it is 39 years old, younger than the Kansas average of 52.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 50 vehicles a day, roughly 2% of them trucks, projected to reach 50 by 2043. The structure is 154 ft (46.8 m) long and 25 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesSW 100 RD
CrossesSandy Creek
Location1.7W of Waldron
RouteCounty Highway 0
StateKansas
Coordinates37.00696, -98.21347
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.9 US tons
Inventory rating29.3 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadUnknown
Structure length154 ft (46.8 m)
Longest span44 ft (13.4 m)
Deck width25 ft (7.5 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic50 (2021)
Projected traffic50 by 2043
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 SW 100 RD over Sandy Creek built?

It was built in 1986, making it 39 years old in 2025.

What condition is SW 100 RD over Sandy Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in February 2023.

How much traffic does SW 100 RD over Sandy Creek carry?

About 50 vehicles per day (2021 count), of which roughly 2% are trucks.

How long is SW 100 RD over Sandy Creek?

The structure is 154 ft (46.8 m) long with a longest span of 44 ft (13.4 m) and a deck 25 ft wide.

Who owns SW 100 RD over Sandy Creek?

It is owned by the County Highway Agency.