US Bridges

Rp IS35N to IS435S over US 69

Fair

Clay County, Missouri · S 27 T 51 N R 32 W · Structure no. 1274

Built
1969
56 years old
Condition
Fair
inspected September 2024
Type
Slab
Concrete Continuous
Length
201 ft
4 main spans
Daily traffic
1,821
2024 count
Owner
State
State Highway Agency

About this bridge

Rp IS35N to IS435S over US 69 is a concrete continuous slab carrying Rp IS35N to IS435S over US 69 in Clay County, Missouri. It was built in 1969, 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 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 1,821 vehicles a day, roughly 12% of them trucks, projected to reach 3,278 by 2044. The structure is 201 ft (61.3 m) long and 41 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesRp IS35N to IS435S
CrossesUS 69
LocationS 27 T 51 N R 32 W
RouteState Highway 0
CountyClay County
StateMissouri
Coordinates39.20247, -94.49285
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.
Substructure7 GoodSome minor problems.
Last inspectionSeptember 2024
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 geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating72.4 US tons
Inventory rating43.7 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length201 ft (61.3 m)
Longest span60 ft (18.3 m)
Deck width41 ft (12.4 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,821 (2024)
Projected traffic3,278 by 2044
Trucks12%
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 IS35N to IS435S over US 69 built?

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

What condition is Rp IS35N to IS435S 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 IS35N to IS435S over US 69 carry?

About 1,821 vehicles per day (2024 count), of which roughly 12% are trucks.

How long is Rp IS35N to IS435S over US 69?

The structure is 201 ft (61.3 m) long with a longest span of 60 ft (18.3 m) and a deck 41 ft wide.

Who owns Rp IS35N to IS435S over US 69?

It is owned by the State Highway Agency.