US Bridges

100 Road (rs 1625) over South Fork Sappa Creek

FairPosted for load

Decatur County, Kansas · 9.9S 10.3W of Oberlin · Structure no. 000000000200360

Built
1958
67 years old
Condition
Fair
inspected October 2024
Type
Tee Beam
Concrete Continuous
Length
187 ft
5 main spans
Daily traffic
120
2020 count
Owner
County
County Highway Agency

About this bridge

100 Road (rs 1625) over South Fork Sappa Creek is a concrete continuous tee beam carrying 100 Road (rs 1625) over South Fork Sappa Creek in Decatur County, Kansas. It was built in 1958, so it is 67 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 120 vehicles a day, roughly 10% of them trucks, projected to reach 130 by 2044. The structure is 187 ft (56.9 m) long and 26 ft wide. If it were closed, the detour would be 18 mi (29 km).

Location

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Carries100 Road (rs 1625)
CrossesSouth Fork Sappa Creek
Location9.9S 10.3W of Oberlin
RouteCounty Highway 1625
CountyDecatur County
StateKansas
Coordinates39.67722, -100.72278
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2024
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 adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating32.7 US tons
Inventory rating19.6 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadH 15
Structure length187 ft (56.9 m)
Longest span40 ft (12.1 m)
Deck width26 ft (8 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic120 (2020)
Projected traffic130 by 2044
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed18 mi (29 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was 100 Road (rs 1625) over South Fork Sappa Creek built?

It was built in 1958, making it 67 years old in 2025.

What condition is 100 Road (rs 1625) 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 2024.

How much traffic does 100 Road (rs 1625) over South Fork Sappa Creek carry?

About 120 vehicles per day (2020 count), of which roughly 10% are trucks.

How long is 100 Road (rs 1625) over South Fork Sappa Creek?

The structure is 187 ft (56.9 m) long with a longest span of 40 ft (12.1 m) and a deck 26 ft wide.

Who owns 100 Road (rs 1625) over South Fork Sappa Creek?

It is owned by the County Highway Agency.