US Bridges

US56 HWY WB over I135 HWY

Good

McPherson County, Kansas · JCT I135/US56 WB · Structure no. 999905600590751

Built
1969
56 years old
Condition
Good
inspected October 2023
Type
Box Beam or Girders - Multiple
Concrete Continuous
Length
217 ft
4 main spans
Daily traffic
5,495
2023 count
Owner
State
State Highway Agency

About this bridge

US56 HWY WB over I135 HWY is a concrete continuous box beam or girders - multiple carrying US56 HWY WB over I135 HWY in McPherson County, Kansas. It was built in 1969, so it is 56 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 5,495 vehicles a day, roughly 8% of them trucks, projected to reach 6,193 by 2044. The structure is 217 ft (66 m) long and 42 ft wide.

CarriesUS56 HWY WB
CrossesI135 HWY
LocationJCT I135/US56 WB
RouteU.S. Route 56
StateKansas
Coordinates38.37083, -97.62056
Functional classUrban Other Principal Arterial

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 inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating84.4 US tons
Inventory rating50.5 US tons

Structure

MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadH 20
Structure length217 ft (66 m)
Longest span68 ft (20.7 m)
Deck width42 ft (12.8 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,495 (2023)
Projected traffic6,193 by 2044
Trucks8%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
TollOn a free road
National Highway SystemYes

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 US56 HWY WB over I135 HWY built?

It was built in 1969, making it 56 years old in 2025.

What condition is US56 HWY WB over I135 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 October 2023.

How much traffic does US56 HWY WB over I135 HWY carry?

About 5,495 vehicles per day (2023 count), of which roughly 8% are trucks.

How long is US56 HWY WB over I135 HWY?

The structure is 217 ft (66 m) long with a longest span of 68 ft (20.7 m) and a deck 42 ft wide.

Who owns US56 HWY WB over I135 HWY?

It is owned by the State Highway Agency.