US Bridges

Rs 990 SW 60 RD over Trib. to Sandy Creek

FairPosted for load

Harper County, Kansas · 4.0N 0.3E of Waldron · Structure no. 000000000390410

Built
1940
85 years old
Condition
Fair
inspected June 2023
Type
Culvert
Concrete
Length
25 ft
2 main spans
Daily traffic
40
2021 count
Owner
County
County Highway Agency

About this bridge

Rs 990 SW 60 RD over Trib. to Sandy Creek is a concrete culvert carrying Rs 990 SW 60 RD over Trib. to Sandy Creek in Harper County, Kansas. It was built in 1940, so it is 85 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 40 vehicles a day, roughly 5% of them trucks, projected to reach 75 by 2043. The structure is 25 ft (7.6 m) long and 34 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesRs 990 SW 60 RD
CrossesTrib. to Sandy Creek
Location4.0N 0.3E of Waldron
RouteCounty Highway 990
CountyHarper County
StateKansas
Coordinates37.06517, -98.15908
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 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 geometry8: Equal to present desirable criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating20 US tons
Inventory rating20 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadUnknown
Structure length25 ft (7.6 m)
Longest span12 ft (3.6 m)
Deck width34 ft (10.5 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic40 (2021)
Projected traffic75 by 2043
Trucks5%
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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$66,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Rs 990 SW 60 RD over Trib. to Sandy Creek built?

It was built in 1940, making it 85 years old in 2025.

What condition is Rs 990 SW 60 RD over Trib. to Sandy 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 June 2023.

How much traffic does Rs 990 SW 60 RD over Trib. to Sandy Creek carry?

About 40 vehicles per day (2021 count), of which roughly 5% are trucks.

How long is Rs 990 SW 60 RD over Trib. to Sandy Creek?

The structure is 25 ft (7.6 m) long with a longest span of 12 ft (3.6 m) and a deck 34 ft wide.

Who owns Rs 990 SW 60 RD over Trib. to Sandy Creek?

It is owned by the County Highway Agency.