US Bridges

I-135 SB over K-4

Good

Saline County, Kansas · Njct K-4/I-135 · Structure no. 999913500851481

Built
2001
24 years old
Condition
Good
inspected November 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
367 ft
3 main spans
Daily traffic
7,050
2023 count
Owner
State
State Highway Agency

About this bridge

I-135 SB over K-4 is a steel continuous stringer/multi-beam or girder carrying I-135 SB over K-4 in Saline County, Kansas. It was built in 2001, so it is 24 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 7,050 vehicles a day, roughly 40% of them trucks, projected to reach 8,602 by 2044. The structure is 367 ft (111.9 m) long and 53 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI-135 SB
CrossesK-4
LocationNjct K-4/I-135
RouteInterstate 135
StateKansas
Coordinates38.62194, -97.62139
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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating85.6 US tons
Inventory rating51.1 US tons

Structure

MaterialSteel Continuous
DeckNot applicable
Main spans3
Design loadHS 25 or greater
Structure length367 ft (111.9 m)
Longest span141 ft (43 m)
Deck width53 ft (16.1 m)
Roadway width50 ft (15.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,050 (2023)
Projected traffic8,602 by 2044
Trucks40%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
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 I-135 SB over K-4 built?

It was built in 2001, making it 24 years old in 2025.

What condition is I-135 SB over K-4 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 I-135 SB over K-4 carry?

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

How long is I-135 SB over K-4?

The structure is 367 ft (111.9 m) long with a longest span of 141 ft (43 m) and a deck 53 ft wide.

Who owns I-135 SB over K-4?

It is owned by the State Highway Agency.