US Bridges

Rp IS435N to IS35S over Is 35 Is 435

FairPosted for load

Clay County, Missouri · S 27 T 51 N R 32 W · Structure no. 1272

Built
1969
56 years old, rebuilt 2013
Condition
Fair
inspected September 2024
Type
Box Beam or Girders - Single or Spread
Concrete Continuous
Length
726 ft
9 main spans
Daily traffic
2,112
2024 count
Owner
State
State Highway Agency

About this bridge

Rp IS435N to IS35S over Is 35 Is 435 is a concrete continuous box beam or girders - single or spread carrying Rp IS435N to IS35S over Is 35 Is 435 in Clay County, Missouri. It was built in 1969 and reconstructed in 2013, so it is 56 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 2,112 vehicles a day, roughly 10% of them trucks, projected to reach 3,802 by 2044. The structure is 726 ft (221.3 m) long and 33 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

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CarriesRp IS435N to IS35S
CrossesIs 35 Is 435
LocationS 27 T 51 N R 32 W
RouteState Highway 0
CountyClay County
StateMissouri
Coordinates39.20569, -94.49271
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusPosted for load 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 rating78.4 US tons
Inventory rating46.6 US tons

Structure

Structure typeBox Beam or Girders - Single or Spread
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans9
Design loadHS 20
Structure length726 ft (221.3 m)
Longest span106 ft (32.3 m)
Deck width33 ft (10 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,112 (2024)
Projected traffic3,802 by 2044
Trucks10%
Lanes on structure2
Traffic directionOne-way traffic
CarriesThird level (interchange)
CrossesHighway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemYes

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 Rp IS435N to IS35S over Is 35 Is 435 built?

It was built in 1969, making it 56 years old in 2025. It was reconstructed in 2013.

What condition is Rp IS435N to IS35S over Is 35 Is 435 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 2024.

How much traffic does Rp IS435N to IS35S over Is 35 Is 435 carry?

About 2,112 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is Rp IS435N to IS35S over Is 35 Is 435?

The structure is 726 ft (221.3 m) long with a longest span of 106 ft (32.3 m) and a deck 33 ft wide.

Who owns Rp IS435N to IS35S over Is 35 Is 435?

It is owned by the State Highway Agency.