US Bridges

Is 435 N over Is 35 Rp IS35N to IS4

Fair

Clay County, Missouri · S 27 T 51 N R 32 W · Structure no. 2843

Built
1981
44 years old
Condition
Fair
inspected February 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
359 ft
4 main spans
Daily traffic
36,705
2024 count
Owner
State
State Highway Agency

About this bridge

Is 435 N over Is 35 Rp IS35N to IS4 is a steel continuous stringer/multi-beam or girder carrying Is 435 N over Is 35 Rp IS35N to IS4 in Clay 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 36,705 vehicles a day, roughly 19% of them trucks, projected to reach 66,069 by 2044. The structure is 359 ft (109.4 m) long and 51 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesIs 435 N
CrossesIs 35 Rp IS35N to IS4
LocationS 27 T 51 N R 32 W
RouteInterstate 435
CountyClay County
StateMissouri
Coordinates39.20639, -94.49142
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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating74.4 US tons
Inventory rating44.6 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length359 ft (109.4 m)
Longest span131 ft (39.9 m)
Deck width51 ft (15.6 m)
Roadway width48 ft (14.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic36,705 (2024)
Projected traffic66,069 by 2044
Trucks19%
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 N over Is 35 Rp IS35N to IS4 built?

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

What condition is Is 435 N over Is 35 Rp IS35N to IS4 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 February 2023.

How much traffic does Is 435 N over Is 35 Rp IS35N to IS4 carry?

About 36,705 vehicles per day (2024 count), of which roughly 19% are trucks.

How long is Is 435 N over Is 35 Rp IS35N to IS4?

The structure is 359 ft (109.4 m) long with a longest span of 131 ft (39.9 m) and a deck 51 ft wide.

Who owns Is 435 N over Is 35 Rp IS35N to IS4?

It is owned by the State Highway Agency.