US Bridges

I-135NB to K15NB over I-135 HWY SB US-50 EB

Fair

Harvey County, Kansas · US-50/I-135 Jct. · Structure no. 999901500400621

Built
1970
55 years old
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
626 ft
7 main spans
Daily traffic
2,238
2023 count
Owner
State
State Highway Agency

About this bridge

I-135NB to K15NB over I-135 HWY SB US-50 EB is a steel continuous stringer/multi-beam or girder carrying I-135NB to K15NB over I-135 HWY SB US-50 EB in Harvey County, Kansas. It was built in 1970, so it is 55 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 2,238 vehicles a day, roughly 23% of them trucks, projected to reach 2,898 by 2044. The structure is 626 ft (190.8 m) long and 27 ft wide.

Location

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CarriesI-135NB to K15NB
CrossesI-135 HWY SB US-50 EB
LocationUS-50/I-135 Jct.
RouteState Highway 15
CountyHarvey County
StateKansas
Coordinates38.02667, -97.32972
Functional classUrban Other Principal 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating72 US tons
Inventory rating43 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans7
Design loadHS 20
Structure length626 ft (190.8 m)
Longest span92 ft (28 m)
Deck width27 ft (8.1 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,238 (2023)
Projected traffic2,898 by 2044
Trucks23%
Lanes on structure1
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 I-135NB to K15NB over I-135 HWY SB US-50 EB built?

It was built in 1970, making it 55 years old in 2025.

What condition is I-135NB to K15NB over I-135 HWY SB US-50 EB 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 September 2024.

How much traffic does I-135NB to K15NB over I-135 HWY SB US-50 EB carry?

About 2,238 vehicles per day (2023 count), of which roughly 23% are trucks.

How long is I-135NB to K15NB over I-135 HWY SB US-50 EB?

The structure is 626 ft (190.8 m) long with a longest span of 92 ft (28 m) and a deck 27 ft wide.

Who owns I-135NB to K15NB over I-135 HWY SB US-50 EB?

It is owned by the State Highway Agency.