US Bridges

US36 HWY over Sappa Creek

Fair

Decatur County, Kansas · 1.67 MI E JCT US83 · Structure no. 999903600200011

Built
1940
85 years old, rebuilt 1981
Condition
Fair
inspected June 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
345 ft
4 main spans
Daily traffic
1,083
2023 count
Owner
State
State Highway Agency

About this bridge

US36 HWY over Sappa Creek is a steel continuous stringer/multi-beam or girder carrying US36 HWY over Sappa Creek in Decatur County, Kansas. It was built in 1940 and reconstructed in 1981, 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.

It carries about 1,083 vehicles a day, roughly 24% of them trucks, projected to reach 1,105 by 2044. The structure is 345 ft (105.2 m) long and 42 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesUS36 HWY
CrossesSappa Creek
Location1.67 MI E JCT US83
RouteU.S. Route 36
StateKansas
Coordinates39.82861, -100.50278
Functional classRural Minor Arterial

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.
Superstructure8 Very GoodNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating46 US tons
Inventory rating28 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadH 15
Structure length345 ft (105.2 m)
Longest span93 ft (28.3 m)
Deck width42 ft (12.8 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,083 (2023)
Projected traffic1,105 by 2044
Trucks24%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemNo

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 US36 HWY over Sappa Creek built?

It was built in 1940, making it 85 years old in 2025. It was reconstructed in 1981.

What condition is US36 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 June 2024.

How much traffic does US36 HWY over Sappa Creek carry?

About 1,083 vehicles per day (2023 count), of which roughly 24% are trucks.

How long is US36 HWY over Sappa Creek?

The structure is 345 ft (105.2 m) long with a longest span of 93 ft (28.3 m) and a deck 42 ft wide.

Who owns US36 HWY over Sappa Creek?

It is owned by the State Highway Agency.