US Bridges

Is 435 N over Blue Rvr

FairPosted for load

Jackson County, Missouri · S 33 T 48 N R 33 W · Structure no. 444

Built
1966
59 years old, rebuilt 2019
Condition
Fair
inspected May 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
517 ft
4 main spans
Daily traffic
72,825
2024 count
Owner
State
State Highway Agency

About this bridge

Is 435 N over Blue Rvr is a steel continuous stringer/multi-beam or girder carrying Is 435 N over Blue Rvr in Jackson County, Missouri. It was built in 1966 and reconstructed in 2019, so it is 59 years old, older than the Missouri average of 45.1 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. Its operating status is: posted for load restriction.

It carries about 72,825 vehicles a day, roughly 7% of them trucks, projected to reach 98,314 by 2044. The structure is 517 ft (157.6 m) long and 79 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesIs 435 N
CrossesBlue Rvr
LocationS 33 T 48 N R 33 W
RouteInterstate 435
Coordinates38.93937, -94.56101
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.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60.5 US tons
Inventory rating35.7 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length517 ft (157.6 m)
Longest span145 ft (44.2 m)
Deck width79 ft (24 m)
Roadway width76 ft (23.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic72,825 (2024)
Projected traffic98,314 by 2044
Trucks7%
Lanes on structure4
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 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 Is 435 N over Blue Rvr built?

It was built in 1966, making it 59 years old in 2025. It was reconstructed in 2019.

What condition is Is 435 N over Blue Rvr 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 May 2024.

How much traffic does Is 435 N over Blue Rvr carry?

About 72,825 vehicles per day (2024 count), of which roughly 7% are trucks.

How long is Is 435 N over Blue Rvr?

The structure is 517 ft (157.6 m) long with a longest span of 145 ft (44.2 m) and a deck 79 ft wide.

Who owns Is 435 N over Blue Rvr?

It is owned by the State Highway Agency.