US Bridges

K79 HWY over Elk Creek

Good

Jackson County, Kansas · 2.39 MI N K16 · Structure no. 999907900430191

Built
1978
47 years old
Condition
Good
inspected June 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
183 ft
3 main spans
Daily traffic
404
2023 count
Owner
State
State Highway Agency

About this bridge

K79 HWY over Elk Creek is a steel continuous stringer/multi-beam or girder carrying K79 HWY over Elk Creek in Jackson County, Kansas. It was built in 1978, so it is 47 years old, younger 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 404 vehicles a day, roughly 9% of them trucks, projected to reach 412 by 2044. The structure is 183 ft (55.8 m) long and 30 ft wide. If it were closed, the detour would be 18 mi (29 km).

CarriesK79 HWY
CrossesElk Creek
Location2.39 MI N K16
RouteState Highway 79
StateKansas
Coordinates39.49778, -95.84889
Functional classRural Major Collector

Condition and inspection

Good

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment7: Better than present minimum criteria
Operating rating88.4 US tons
Inventory rating52.9 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length183 ft (55.8 m)
Longest span71 ft (21.6 m)
Deck width30 ft (9.1 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic404 (2023)
Projected traffic412 by 2044
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed18 mi (29 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 K79 HWY over Elk Creek built?

It was built in 1978, making it 47 years old in 2025.

What condition is K79 HWY over Elk 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 June 2023.

How much traffic does K79 HWY over Elk Creek carry?

About 404 vehicles per day (2023 count), of which roughly 9% are trucks.

How long is K79 HWY over Elk Creek?

The structure is 183 ft (55.8 m) long with a longest span of 71 ft (21.6 m) and a deck 30 ft wide.

Who owns K79 HWY over Elk Creek?

It is owned by the State Highway Agency.