US Bridges

Is 435 N over Cst N Congress Ave

Fair

Platte County, Missouri · S 24 T 52 N R 34 W · Structure no. 2839

Built
1981
44 years old
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
175 ft
4 main spans
Daily traffic
7,737
2024 count
Owner
State
State Highway Agency

About this bridge

Is 435 N over Cst N Congress Ave is a prestressed concrete continuous stringer/multi-beam or girder carrying Is 435 N over Cst N Congress Ave in Platte County, Missouri. It was built in 1981, so it is 44 years old, younger 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.

It carries about 7,737 vehicles a day, roughly 26% of them trucks, projected to reach 15,861 by 2044. The structure is 175 ft (53.3 m) long and 71 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesIs 435 N
CrossesCst N Congress Ave
LocationS 24 T 52 N R 34 W
RouteInterstate 435
Coordinates39.30778, -94.66631
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionOctober 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 rating88.3 US tons
Inventory rating39.7 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length175 ft (53.3 m)
Longest span53 ft (16.2 m)
Deck width71 ft (21.7 m)
Roadway width68 ft (20.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,737 (2024)
Projected traffic15,861 by 2044
Trucks26%
Lanes on structure4
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Is 435 N over Cst N Congress Ave built?

It was built in 1981, making it 44 years old in 2025.

What condition is Is 435 N over Cst N Congress Ave 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 October 2024.

How much traffic does Is 435 N over Cst N Congress Ave carry?

About 7,737 vehicles per day (2024 count), of which roughly 26% are trucks.

How long is Is 435 N over Cst N Congress Ave?

The structure is 175 ft (53.3 m) long with a longest span of 53 ft (16.2 m) and a deck 71 ft wide.

Who owns Is 435 N over Cst N Congress Ave?

It is owned by the State Highway Agency.