US Bridges

I135 HWY SB over Smoky Valley Road

Good

McPherson County, Kansas · JCT US81BS/I135 SB · Structure no. 999913500590481

Built
1968
57 years old
Condition
Good
inspected November 2024
Type
Slab
Concrete Continuous
Length
122 ft
3 main spans
Daily traffic
7,050
2023 count
Owner
State
State Highway Agency

About this bridge

I135 HWY SB over Smoky Valley Road is a concrete continuous slab carrying I135 HWY SB over Smoky Valley Road in McPherson County, Kansas. It was built in 1968, so it is 57 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 7,050 vehicles a day, roughly 40% of them trucks, projected to reach 8,602 by 2044. The structure is 122 ft (37.3 m) long and 42 ft wide.

CarriesI135 HWY SB
CrossesSmoky Valley Road
LocationJCT US81BS/I135 SB
RouteInterstate 135
StateKansas
Coordinates38.55083, -97.62083
Functional classRural Principal Arterial - Interstate

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 inspectionNovember 2024
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 rating63.1 US tons
Inventory rating38 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length122 ft (37.3 m)
Longest span48 ft (14.6 m)
Deck width42 ft (12.8 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,050 (2023)
Projected traffic8,602 by 2044
Trucks40%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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 I135 HWY SB over Smoky Valley Road built?

It was built in 1968, making it 57 years old in 2025.

What condition is I135 HWY SB over Smoky Valley Road 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 November 2024.

How much traffic does I135 HWY SB over Smoky Valley Road carry?

About 7,050 vehicles per day (2023 count), of which roughly 40% are trucks.

How long is I135 HWY SB over Smoky Valley Road?

The structure is 122 ft (37.3 m) long with a longest span of 48 ft (14.6 m) and a deck 42 ft wide.

Who owns I135 HWY SB over Smoky Valley Road?

It is owned by the State Highway Agency.