US Bridges

Is 435 N over Is 29 Rp IS435S to IS29

Fair

Platte County, Missouri · S 5 T 52 N R 34 W · Structure no. 2907

Built
1987
38 years old
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
524 ft
4 main spans
Daily traffic
1,925
2024 count
Owner
State
State Highway Agency

About this bridge

Is 435 N over Is 29 Rp IS435S to IS29 is a steel continuous stringer/multi-beam or girder carrying Is 435 N over Is 29 Rp IS435S to IS29 in Platte County, Missouri. It was built in 1987, so it is 38 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 1,925 vehicles a day, roughly 6% of them trucks, projected to reach 3,946 by 2044. The structure is 524 ft (159.7 m) long and 28 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesIs 435 N
CrossesIs 29 Rp IS435S to IS29
LocationS 5 T 52 N R 34 W
RouteInterstate 435
CountyPlatte County
StateMissouri
Coordinates39.34568, -94.74851
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 inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating76.4 US tons
Inventory rating45.6 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4 (+1 approach)
Design loadHS 20 + Mod
Structure length524 ft (159.7 m)
Longest span133 ft (40.5 m)
Deck width28 ft (8.6 m)
Roadway width25 ft (7.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,925 (2024)
Projected traffic3,946 by 2044
Trucks6%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed5 mi (8 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 N over Is 29 Rp IS435S to IS29 built?

It was built in 1987, making it 38 years old in 2025.

What condition is Is 435 N over Is 29 Rp IS435S to IS29 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 October 2024.

How much traffic does Is 435 N over Is 29 Rp IS435S to IS29 carry?

About 1,925 vehicles per day (2024 count), of which roughly 6% are trucks.

How long is Is 435 N over Is 29 Rp IS435S to IS29?

The structure is 524 ft (159.7 m) long with a longest span of 133 ft (40.5 m) and a deck 28 ft wide.

Who owns Is 435 N over Is 29 Rp IS435S to IS29?

It is owned by the State Highway Agency.