US Bridges

I-35 HWY SB over BNSF RR

Good

Johnson County, Kansas · 0.71 MI NE K-7 Wl · Structure no. 999903500463161

Built
1996
29 years old
Condition
Good
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
282 ft
5 main spans
Daily traffic
56,000
2023 count
Owner
State
State Highway Agency

About this bridge

I-35 HWY SB over BNSF RR is a steel continuous stringer/multi-beam or girder carrying I-35 HWY SB over BNSF RR in Johnson County, Kansas. It was built in 1996, so it is 29 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 56,000 vehicles a day, roughly 20% of them trucks, projected to reach 68,331 by 2044. The structure is 282 ft (85.9 m) long and 70 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI-35 HWY SB
CrossesBNSF RR
Location0.71 MI NE K-7 Wl
RouteInterstate 35
StateKansas
Coordinates38.8625, -94.80667
Functional classUrban 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 inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating45 US tons
Inventory rating34.6 US tons

Structure

MaterialSteel Continuous
DeckNot applicable
Main spans5
Design loadHS 25 or greater
Structure length282 ft (85.9 m)
Longest span87 ft (26.5 m)
Deck width70 ft (21.4 m)
Roadway width68 ft (20.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic56,000 (2023)
Projected traffic68,331 by 2044
Trucks20%
Lanes on structure4
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 I-35 HWY SB over BNSF RR built?

It was built in 1996, making it 29 years old in 2025.

What condition is I-35 HWY SB over BNSF RR 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 July 2024.

How much traffic does I-35 HWY SB over BNSF RR carry?

About 56,000 vehicles per day (2023 count), of which roughly 20% are trucks.

How long is I-35 HWY SB over BNSF RR?

The structure is 282 ft (85.9 m) long with a longest span of 87 ft (26.5 m) and a deck 70 ft wide.

Who owns I-35 HWY SB over BNSF RR?

It is owned by the State Highway Agency.