US Bridges

US83 HWY over Sappa Creek Drainage

Fair

Decatur County, Kansas · 3.53 Mi. S. of US-36 · Structure no. 999908300200091

Built
1936
89 years old
Condition
Fair
inspected April 2024
Type
Culvert
Concrete
Length
43 ft
4 main spans
Daily traffic
1,590
2023 count
Owner
State
State Highway Agency

About this bridge

US83 HWY over Sappa Creek Drainage is a concrete culvert carrying US83 HWY over Sappa Creek Drainage in Decatur County, Kansas. It was built in 1936, so it is 89 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.

It carries about 1,590 vehicles a day, roughly 24% of them trucks, projected to reach 1,940 by 2044. The structure is 43 ft (13.1 m) long and 47 ft wide.

CarriesUS83 HWY
CrossesSappa Creek Drainage
Location3.53 Mi. S. of US-36
RouteU.S. Route 83
StateKansas
Coordinates39.77694, -100.53444
Functional classRural Principal Arterial - Other

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 protection8 Very GoodNo problems noted.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry9: Superior to present desirable criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating34 US tons
Inventory rating20 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans4
Design loadH 15
Structure length43 ft (13.1 m)
Longest span10 ft (3 m)
Deck width47 ft (14.2 m)
Roadway width45 ft (13.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,590 (2023)
Projected traffic1,940 by 2044
Trucks24%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 US83 HWY over Sappa Creek Drainage built?

It was built in 1936, making it 89 years old in 2025.

What condition is US83 HWY over Sappa Creek Drainage 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 April 2024.

How much traffic does US83 HWY over Sappa Creek Drainage carry?

About 1,590 vehicles per day (2023 count), of which roughly 24% are trucks.

How long is US83 HWY over Sappa Creek Drainage?

The structure is 43 ft (13.1 m) long with a longest span of 10 ft (3 m) and a deck 47 ft wide.

Who owns US83 HWY over Sappa Creek Drainage?

It is owned by the State Highway Agency.