US Bridges

Is 435 N over Missouri Rvr

Fair

Platte County, Missouri · S 31 T 51 N R 34 W · Structure no. 2781

Built
1985
40 years old
Condition
Fair
inspected August 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
3,246 ft
3 main spans
Daily traffic
11,209
2024 count
Owner
State
State Highway Agency

About this bridge

Is 435 N over Missouri Rvr is a steel continuous stringer/multi-beam or girder carrying Is 435 N over Missouri Rvr in Platte County, Missouri. It was built in 1985, so it is 40 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 11,209 vehicles a day, roughly 12% of them trucks, projected to reach 22,978 by 2044. The structure is 3,246 ft (989.4 m) long and 59 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesIs 435 N
CrossesMissouri Rvr
LocationS 31 T 51 N R 34 W
RouteInterstate 435
CountyPlatte County
StateMissouri
Coordinates39.19238, -94.76767
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating54.6 US tons
Inventory rating32.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3 (+15 approach)
Design loadHS 20
Structure length3,246 ft (989.4 m)
Longest span425 ft (129.5 m)
Deck width59 ft (17.9 m)
Roadway width56 ft (17.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,209 (2024)
Projected traffic22,978 by 2044
Trucks12%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
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—
NavigationNavigation control on waterway (bridge permit required)

Frequently asked questions

When was Is 435 N over Missouri Rvr built?

It was built in 1985, making it 40 years old in 2025.

What condition is Is 435 N over Missouri Rvr 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 August 2024.

How much traffic does Is 435 N over Missouri Rvr carry?

About 11,209 vehicles per day (2024 count), of which roughly 12% are trucks.

How long is Is 435 N over Missouri Rvr?

The structure is 3,246 ft (989.4 m) long with a longest span of 425 ft (129.5 m) and a deck 59 ft wide.

Who owns Is 435 N over Missouri Rvr?

It is owned by the State Highway Agency.