US Bridges

Rp IS435N to IS35N over US 69

Fair

Clay County, Missouri · S 27 T 51 N R 32 W · Structure no. 1275

Built
1969
56 years old, rebuilt 1986
Condition
Fair
inspected September 2024
Type
Slab
Concrete Continuous
Length
226 ft
4 main spans
Daily traffic
13,628
2024 count
Owner
State
State Highway Agency

About this bridge

Rp IS435N to IS35N over US 69 is a concrete continuous slab carrying Rp IS435N to IS35N over US 69 in Clay County, Missouri. It was built in 1969 and reconstructed in 1986, 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.

It carries about 13,628 vehicles a day, roughly 19% of them trucks, projected to reach 24,530 by 2044. The structure is 226 ft (68.9 m) long and 48 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

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CarriesRp IS435N to IS35N
CrossesUS 69
LocationS 27 T 51 N R 32 W
RouteState Highway 0
CountyClay County
StateMissouri
Coordinates39.20277, -94.4922
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 statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating83.3 US tons
Inventory rating49.6 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length226 ft (68.9 m)
Longest span70 ft (21.2 m)
Deck width48 ft (14.6 m)
Roadway width42 ft (12.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic13,628 (2024)
Projected traffic24,530 by 2044
Trucks19%
Lanes on structure2
Traffic directionOne-way traffic
CarriesOverpass structure at an 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 IS35N over US 69 built?

It was built in 1969, making it 56 years old in 2025. It was reconstructed in 1986.

What condition is Rp IS435N to IS35N over US 69 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 IS35N over US 69 carry?

About 13,628 vehicles per day (2024 count), of which roughly 19% are trucks.

How long is Rp IS435N to IS35N over US 69?

The structure is 226 ft (68.9 m) long with a longest span of 70 ft (21.2 m) and a deck 48 ft wide.

Who owns Rp IS435N to IS35N over US 69?

It is owned by the State Highway Agency.