US Bridges

K49 HWY over North Branch Slate Creek

Good

Sumner County, Kansas · 10.30 MI N Wjct US160 · Structure no. 999904900961011

Built
1964
61 years old
Condition
Good
inspected August 2023
Type
Tee Beam
Concrete Continuous
Length
242 ft
4 main spans
Daily traffic
2,370
2023 count
Owner
State
State Highway Agency

About this bridge

K49 HWY over North Branch Slate Creek is a concrete continuous tee beam carrying K49 HWY over North Branch Slate Creek in Sumner County, Kansas. It was built in 1964, so it is 61 years old, older than the Kansas average of 52.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 2,370 vehicles a day, roughly 13% of them trucks, projected to reach 2,619 by 2044. The structure is 242 ft (73.9 m) long and 46 ft wide. If it were closed, the detour would be 13 mi (21 km).

CarriesK49 HWY
CrossesNorth Branch Slate Creek
Location10.30 MI N Wjct US160
RouteState Highway 49
StateKansas
Coordinates37.41944, -97.64222
Functional classRural Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating59 US tons
Inventory rating35.4 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadH 20
Structure length242 ft (73.9 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 traffic2,370 (2023)
Projected traffic2,619 by 2044
Trucks13%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed13 mi (21 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 K49 HWY over North Branch Slate Creek built?

It was built in 1964, making it 61 years old in 2025.

What condition is K49 HWY over North Branch Slate Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in August 2023.

How much traffic does K49 HWY over North Branch Slate Creek carry?

About 2,370 vehicles per day (2023 count), of which roughly 13% are trucks.

How long is K49 HWY over North Branch Slate Creek?

The structure is 242 ft (73.9 m) long with a longest span of 70 ft (21.3 m) and a deck 46 ft wide.

Who owns K49 HWY over North Branch Slate Creek?

It is owned by the State Highway Agency.