US Bridges

79th Street over I435 HWY

Good

Johnson County, Kansas · JCT 79th ST/I435 El-Wl · Structure no. 999943500462271

Built
1981
44 years old
Condition
Good
inspected July 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
363 ft
4 main spans
Daily traffic
2,559
2023 count
Owner
State
State Highway Agency

About this bridge

79th Street over I435 HWY is a prestressed concrete continuous stringer/multi-beam or girder carrying 79th Street over I435 HWY in Johnson County, Kansas. It was built in 1981, so it is 44 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 2,559 vehicles a day, projected to reach 2,093 by 2044. The structure is 363 ft (110.6 m) long and 47 ft wide.

Carries79th Street
CrossesI435 HWY
LocationJCT 79th ST/I435 El-Wl
RouteCity Street 2717
StateKansas
Coordinates38.98556, -94.77611
Functional classUrban 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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating82 US tons
Inventory rating44 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length363 ft (110.6 m)
Longest span112 ft (34.1 m)
Deck width47 ft (14.2 m)
Roadway width35 ft (10.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,559 (2023)
Projected traffic2,093 by 2044
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
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 79th Street over I435 HWY built?

It was built in 1981, making it 44 years old in 2025.

What condition is 79th Street over I435 HWY 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 July 2024.

How much traffic does 79th Street over I435 HWY carry?

About 2,559 vehicles per day (2023 count).

How long is 79th Street over I435 HWY?

The structure is 363 ft (110.6 m) long with a longest span of 112 ft (34.1 m) and a deck 47 ft wide.

Who owns 79th Street over I435 HWY?

It is owned by the State Highway Agency.