US Bridges

I135 HWY NB over Ko Railway

Good

Saline County, Kansas · 0.74 MI N K140 · Structure no. 999913500850351

Built
1963
62 years old
Condition
Good
inspected November 2024
Type
Slab
Concrete Continuous
Length
120 ft
3 main spans
Daily traffic
10,251
2023 count
Owner
State
State Highway Agency

About this bridge

I135 HWY NB over Ko Railway is a concrete continuous slab carrying I135 HWY NB over Ko Railway in Saline County, Kansas. It was built in 1963, so it is 62 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 10,251 vehicles a day, roughly 20% of them trucks, projected to reach 11,554 by 2044. The structure is 120 ft (36.5 m) long and 42 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI135 HWY NB
CrossesKo Railway
Location0.74 MI N K140
RouteInterstate 135
StateKansas
Coordinates38.85194, -97.64639
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 rating53 US tons
Inventory rating32 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length120 ft (36.5 m)
Longest span45 ft (13.7 m)
Deck width42 ft (12.7 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,251 (2023)
Projected traffic11,554 by 2044
Trucks20%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesRailroad
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 I135 HWY NB over Ko Railway built?

It was built in 1963, making it 62 years old in 2025.

What condition is I135 HWY NB over Ko Railway 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 NB over Ko Railway carry?

About 10,251 vehicles per day (2023 count), of which roughly 20% are trucks.

How long is I135 HWY NB over Ko Railway?

The structure is 120 ft (36.5 m) long with a longest span of 45 ft (13.7 m) and a deck 42 ft wide.

Who owns I135 HWY NB over Ko Railway?

It is owned by the State Highway Agency.