US Bridges

Is 435 S over Rp IS35S to IS435S

Fair

Clay County, Missouri · S 27 T 51 N R 32 W · Structure no. 2846

Built
1981
44 years old
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
175 ft
3 main spans
Daily traffic
25,506
2024 count
Owner
State
State Highway Agency

About this bridge

Is 435 S over Rp IS35S to IS435S is a steel continuous stringer/multi-beam or girder carrying Is 435 S over Rp IS35S to IS435S 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 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 25,506 vehicles a day, roughly 15% of them trucks, projected to reach 45,911 by 2044. The structure is 175 ft (53.3 m) long and 43 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesIs 435 S
CrossesRp IS35S to IS435S
LocationS 27 T 51 N R 32 W
RouteInterstate 435
CountyClay County
StateMissouri
Coordinates39.20738, -94.4912
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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating70.4 US tons
Inventory rating42.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length175 ft (53.3 m)
Longest span72 ft (21.9 m)
Deck width43 ft (13.2 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25,506 (2024)
Projected traffic45,911 by 2044
Trucks15%
Lanes on structure2
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 S over Rp IS35S to IS435S built?

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

What condition is Is 435 S over Rp IS35S to IS435S 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 Is 435 S over Rp IS35S to IS435S carry?

About 25,506 vehicles per day (2024 count), of which roughly 15% are trucks.

How long is Is 435 S over Rp IS35S to IS435S?

The structure is 175 ft (53.3 m) long with a longest span of 72 ft (21.9 m) and a deck 43 ft wide.

Who owns Is 435 S over Rp IS35S to IS435S?

It is owned by the State Highway Agency.