US Bridges

US83 HWY over Sappa Creek

Fair

Decatur County, Kansas · 1.06 MI S of US36 · Structure no. 999908300200291

Built
1986
39 years old
Condition
Fair
inspected April 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
353 ft
5 main spans
Daily traffic
1,590
2023 count
Owner
State
State Highway Agency

About this bridge

US83 HWY over Sappa Creek is a prestressed concrete continuous stringer/multi-beam or girder carrying US83 HWY over Sappa Creek in Decatur 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 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 353 ft (107.7 m) long and 46 ft wide.

Location

Open in Google Maps
CarriesUS83 HWY
CrossesSappa Creek
Location1.06 MI S of US36
RouteU.S. Route 83
CountyDecatur County
StateKansas
Coordinates39.81278, -100.53389
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no 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 geometry8: Equal to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating35.1 US tons
Inventory rating21.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckNot applicable
Main spans5
Design loadHS 20
Structure length353 ft (107.7 m)
Longest span70 ft (21.3 m)
Deck width46 ft (14 m)
Roadway width44 ft (13.4 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 built?

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

What condition is US83 HWY over 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 April 2024.

How much traffic does US83 HWY over Sappa Creek carry?

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

How long is US83 HWY over Sappa Creek?

The structure is 353 ft (107.7 m) long with a longest span of 70 ft (21.3 m) and a deck 46 ft wide.

Who owns US83 HWY over Sappa Creek?

It is owned by the State Highway Agency.