US Bridges

Is 435 S over Cst Gregory Blvd

Fair

Jackson County, Missouri · S 12 T 48 N R 33 W · Structure no. 1230

Built
1965
60 years old, rebuilt 1988
Condition
Fair
inspected September 2023
Type
Box Beam or Girders - Single or Spread
Concrete Continuous
Length
175 ft
3 main spans
Daily traffic
38,827
2024 count
Owner
State
State Highway Agency

About this bridge

Is 435 S over Cst Gregory Blvd is a concrete continuous box beam or girders - single or spread carrying Is 435 S over Cst Gregory Blvd in Jackson County, Missouri. It was built in 1965 and reconstructed in 1988, so it is 60 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 5 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 38,827 vehicles a day, roughly 12% of them trucks, projected to reach 52,416 by 2044. The structure is 175 ft (53.3 m) long and 52 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesIs 435 S
CrossesCst Gregory Blvd
LocationS 12 T 48 N R 33 W
RouteInterstate 435
Coordinates38.99552, -94.50255
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75.4 US tons
Inventory rating43.7 US tons

Structure

MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length175 ft (53.3 m)
Longest span76 ft (23.2 m)
Deck width52 ft (15.8 m)
Roadway width50 ft (15.1 m)
Vertical clearance over deck16 ft (4.8 m)

Traffic and service

Average daily traffic38,827 (2024)
Projected traffic52,416 by 2044
Trucks12%
Lanes on structure3
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 S over Cst Gregory Blvd built?

It was built in 1965, making it 60 years old in 2025. It was reconstructed in 1988.

What condition is Is 435 S over Cst Gregory Blvd 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 September 2023.

How much traffic does Is 435 S over Cst Gregory Blvd carry?

About 38,827 vehicles per day (2024 count), of which roughly 12% are trucks.

How long is Is 435 S over Cst Gregory Blvd?

The structure is 175 ft (53.3 m) long with a longest span of 76 ft (23.2 m) and a deck 52 ft wide.

Who owns Is 435 S over Cst Gregory Blvd?

It is owned by the State Highway Agency.