US Bridges

Is 435 S over First CR

Poor

Platte County, Missouri · S 21 T 52 N R 33 W · Structure no. 2786

Built
1977
48 years old
Condition
Poor
inspected December 2024
Type
Culvert
Concrete Continuous
Length
39 ft
3 main spans
Daily traffic
24,918
2024 count
Owner
State
State Highway Agency

About this bridge

Is 435 S over First CR is a concrete continuous culvert carrying Is 435 S over First CR in Platte County, Missouri. It was built in 1977, so it is 48 years old, older than the Missouri average of 45.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 24,918 vehicles a day, roughly 37% of them trucks, projected to reach 51,082 by 2044. The structure is 39 ft (11.8 m) long. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesIs 435 S
CrossesFirst CR
LocationS 21 T 52 N R 33 W
RouteInterstate 435
CountyPlatte County
StateMissouri
Coordinates39.30695, -94.60764
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Culvert4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating96.2 US tons
Inventory rating57.5 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadHS 20
Structure length39 ft (11.8 m)
Longest span11 ft (3.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic24,918 (2024)
Projected traffic51,082 by 2044
Trucks37%
Lanes on structure8
Traffic directionTwo-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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$306,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Is 435 S over First CR built?

It was built in 1977, making it 48 years old in 2025.

What condition is Is 435 S over First CR in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in December 2024.

How much traffic does Is 435 S over First CR carry?

About 24,918 vehicles per day (2024 count), of which roughly 37% are trucks.

How long is Is 435 S over First CR?

The structure is 39 ft (11.8 m) long with a longest span of 11 ft (3.4 m).

Who owns Is 435 S over First CR?

It is owned by the State Highway Agency.