US Bridges

Rp IS35N to IS435N over Is 35 Rp IS35S to IS435

Fair

Clay County, Missouri · S 27 T 51 N R 32 W · Structure no. 2854

Built
1981
44 years old
Condition
Fair
inspected February 2025
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
523 ft
6 main spans
Daily traffic
4,450
2024 count
Owner
State
State Highway Agency

About this bridge

Rp IS35N to IS435N over Is 35 Rp IS35S to IS435 is a steel continuous stringer/multi-beam or girder carrying Rp IS35N to IS435N over Is 35 Rp IS35S to IS435 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 4,450 vehicles a day, roughly 2% of them trucks, projected to reach 8,010 by 2044. The structure is 523 ft (159.4 m) long and 29 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

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CarriesRp IS35N to IS435N
CrossesIs 35 Rp IS35S to IS435
LocationS 27 T 51 N R 32 W
RouteState Highway 0
CountyClay County
StateMissouri
Coordinates39.20732, -94.48934
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating61.5 US tons
Inventory rating36.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans6
Design loadHS 20
Structure length523 ft (159.4 m)
Longest span117 ft (35.7 m)
Deck width29 ft (8.9 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,450 (2024)
Projected traffic8,010 by 2044
Trucks2%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
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 IS35N to IS435N over Is 35 Rp IS35S to IS435 built?

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

What condition is Rp IS35N to IS435N over Is 35 Rp IS35S to IS435 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 2025.

How much traffic does Rp IS35N to IS435N over Is 35 Rp IS35S to IS435 carry?

About 4,450 vehicles per day (2024 count), of which roughly 2% are trucks.

How long is Rp IS35N to IS435N over Is 35 Rp IS35S to IS435?

The structure is 523 ft (159.4 m) long with a longest span of 117 ft (35.7 m) and a deck 29 ft wide.

Who owns Rp IS35N to IS435N over Is 35 Rp IS35S to IS435?

It is owned by the State Highway Agency.