US Bridges

600 Road over South Fork Sappa Creek

FairPosted for load

Decatur County, Kansas · 6.0S 5.3W of Oberlin · Structure no. 000200469003364

Built
1989
36 years old
Condition
Fair
inspected October 2023
Type
Tee Beam
Prestressed Concrete
Length
31 ft
1 main span
Daily traffic
15
2020 count
Owner
County
County Highway Agency

About this bridge

600 Road over South Fork Sappa Creek is a prestressed concrete tee beam carrying 600 Road over South Fork Sappa Creek in Decatur County, Kansas. It was built in 1989, so it is 36 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 15 vehicles a day, roughly 10% of them trucks, projected to reach 20 by 2043. The structure is 31 ft (9.5 m) long and 24 ft wide. If it were closed, the detour would be 198.8 mi (320 km).

Location

Open in Google Maps
Carries600 Road
CrossesSouth Fork Sappa Creek
Location6.0S 5.3W of Oberlin
RouteCounty Highway 0
CountyDecatur County
StateKansas
Coordinates39.73386, -100.62805
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating22 US tons
Inventory rating22 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadH 15
Structure length31 ft (9.5 m)
Longest span27 ft (8.2 m)
Deck width24 ft (7.4 m)
Roadway width24 ft (7.2 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic15 (2020)
Projected traffic20 by 2043
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed198.8 mi (320 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was 600 Road over South Fork Sappa Creek built?

It was built in 1989, making it 36 years old in 2025.

What condition is 600 Road over South Fork Sappa 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 October 2023.

How much traffic does 600 Road over South Fork Sappa Creek carry?

About 15 vehicles per day (2020 count), of which roughly 10% are trucks.

How long is 600 Road over South Fork Sappa Creek?

The structure is 31 ft (9.5 m) long with a longest span of 27 ft (8.2 m) and a deck 24 ft wide.

Who owns 600 Road over South Fork Sappa Creek?

It is owned by the County Highway Agency.