US Bridges

I-35 HWY SB (kta) over BNSF Railway

Good

Sumner County, Kansas · 14.38 MI N US-166 · Structure no. 999903500960183

Built
1956
69 years old
Condition
Good
inspected July 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
143 ft
3 main spans
Daily traffic
9,503
2023 count
Owner
Toll Authority
State Toll Authority

About this bridge

I-35 HWY SB (kta) over BNSF Railway is a steel continuous stringer/multi-beam or girder carrying I-35 HWY SB (kta) over BNSF Railway in Sumner County, Kansas. It was built in 1956, so it is 69 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 9,503 vehicles a day, roughly 31% of them trucks, projected to reach 12,304 by 2044. The structure is 143 ft (43.7 m) long and 34 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesI-35 HWY SB (kta)
CrossesBNSF Railway
Location14.38 MI N US-166
RouteInterstate 35
CountySumner County
StateKansas
Coordinates37.265, -97.33972
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 inspectionJuly 2023
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 alignment6: Equal to present minimum criteria
Operating rating61.9 US tons
Inventory rating37.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length143 ft (43.7 m)
Longest span52 ft (15.8 m)
Deck width34 ft (10.5 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,503 (2023)
Projected traffic12,304 by 2044
Trucks31%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesRailroad
Detour if closed1.2 mi (2 km)
TollOn an Interstate toll segment under Secretarial agreement
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Toll Authority
Maintained byState Toll Authority
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 (kta) over BNSF Railway built?

It was built in 1956, making it 69 years old in 2025.

What condition is I-35 HWY SB (kta) over BNSF 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 July 2023.

How much traffic does I-35 HWY SB (kta) over BNSF Railway carry?

About 9,503 vehicles per day (2023 count), of which roughly 31% are trucks.

How long is I-35 HWY SB (kta) over BNSF Railway?

The structure is 143 ft (43.7 m) long with a longest span of 52 ft (15.8 m) and a deck 34 ft wide.

Who owns I-35 HWY SB (kta) over BNSF Railway?

It is owned by the State Toll Authority.