US Bridges

I35 HWY NB over SW Blvd RR I35 SB Rmp

Fair

Wyandotte County, Kansas · 1.23 MI NE US 69 · Structure no. 999903501050101

Built
1964
61 years old, rebuilt 1989
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
645 ft
10 main spans
Daily traffic
42,500
2023 count
Owner
State
State Highway Agency

About this bridge

I35 HWY NB over SW Blvd RR I35 SB Rmp is a steel continuous stringer/multi-beam or girder carrying I35 HWY NB over SW Blvd RR I35 SB Rmp in Wyandotte County, Kansas. It was built in 1964 and reconstructed in 1989, so it is 61 years old, older than the Kansas average of 52.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 42,500 vehicles a day, roughly 11% of them trucks, projected to reach 46,958 by 2044. The structure is 645 ft (196.6 m) long and 55 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI35 HWY NB
CrossesSW Blvd RR I35 SB Rmp
Location1.23 MI NE US 69
RouteInterstate 35
StateKansas
Coordinates39.05778, -94.62806
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating73.5 US tons
Inventory rating44 US tons

Structure

MaterialSteel Continuous
DeckNot applicable
Main spans10
Design loadHS 20 + Mod
Structure length645 ft (196.6 m)
Longest span76 ft (23.3 m)
Deck width55 ft (16.9 m)
Roadway width52 ft (15.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic42,500 (2023)
Projected traffic46,958 by 2044
Trucks11%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway and railroad
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 I35 HWY NB over SW Blvd RR I35 SB Rmp built?

It was built in 1964, making it 61 years old in 2025. It was reconstructed in 1989.

What condition is I35 HWY NB over SW Blvd RR I35 SB Rmp in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in July 2024.

How much traffic does I35 HWY NB over SW Blvd RR I35 SB Rmp carry?

About 42,500 vehicles per day (2023 count), of which roughly 11% are trucks.

How long is I35 HWY NB over SW Blvd RR I35 SB Rmp?

The structure is 645 ft (196.6 m) long with a longest span of 76 ft (23.3 m) and a deck 55 ft wide.

Who owns I35 HWY NB over SW Blvd RR I35 SB Rmp?

It is owned by the State Highway Agency.