US Bridges

US59 K16 HWY over Big Slough Creek

Fair

Jefferson County, Kansas · 1.86 MI N Njct K92 · Structure no. 999905900440151

Built
1965
60 years old
Condition
Fair
inspected June 2023
Type
Tee Beam
Concrete Continuous
Length
240 ft
3 main spans
Daily traffic
1,278
2023 count
Owner
State
State Highway Agency

About this bridge

US59 K16 HWY over Big Slough Creek is a concrete continuous tee beam carrying US59 K16 HWY over Big Slough Creek in Jefferson County, Kansas. It was built in 1965, so it is 60 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 1,278 vehicles a day, roughly 13% of them trucks, projected to reach 1,559 by 2044. The structure is 240 ft (73.3 m) long and 46 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesUS59 K16 HWY
CrossesBig Slough Creek
Location1.86 MI N Njct K92
RouteU.S. Route 59
CountyJefferson County
StateKansas
Coordinates39.2425, -95.31056
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry8: Equal to present desirable criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating68.7 US tons
Inventory rating41.1 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length240 ft (73.3 m)
Longest span98 ft (29.9 m)
Deck width46 ft (14.1 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,278 (2023)
Projected traffic1,559 by 2044
Trucks13%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 US59 K16 HWY over Big Slough Creek built?

It was built in 1965, making it 60 years old in 2025.

What condition is US59 K16 HWY over Big Slough 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 2023.

How much traffic does US59 K16 HWY over Big Slough Creek carry?

About 1,278 vehicles per day (2023 count), of which roughly 13% are trucks.

How long is US59 K16 HWY over Big Slough Creek?

The structure is 240 ft (73.3 m) long with a longest span of 98 ft (29.9 m) and a deck 46 ft wide.

Who owns US59 K16 HWY over Big Slough Creek?

It is owned by the State Highway Agency.