US Bridges

NW Cookingham DR E over Is 435

Poor

Platte County, Missouri · S 21 T 52 N R 33 W · Structure no. 2779

Built
1977
48 years old
Condition
Poor
inspected March 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
370 ft
2 main spans
Daily traffic
1,074
2024 count
Owner
State
State Highway Agency

About this bridge

NW Cookingham DR E over Is 435 is a steel continuous stringer/multi-beam or girder carrying NW Cookingham DR E over Is 435 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 1,074 vehicles a day, roughly 5% of them trucks, projected to reach 2,041 by 2044. The structure is 370 ft (112.8 m) long and 89 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesNW Cookingham DR E
CrossesIs 435
LocationS 21 T 52 N R 33 W
RouteCity Street 0
CountyPlatte County
StateMissouri
Coordinates39.30708, -94.6023
Functional classUrban Minor Arterial

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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.5 US tons
Inventory rating35.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2 (+2 approach)
Design loadHS 20
Structure length370 ft (112.8 m)
Longest span136 ft (41.5 m)
Deck width89 ft (27.2 m)
Roadway width86 ft (26.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,074 (2024)
Projected traffic2,041 by 2044
Trucks5%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemNo

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$5.2 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was NW Cookingham DR E over Is 435 built?

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

What condition is NW Cookingham DR E over Is 435 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 March 2023.

How much traffic does NW Cookingham DR E over Is 435 carry?

About 1,074 vehicles per day (2024 count), of which roughly 5% are trucks.

How long is NW Cookingham DR E over Is 435?

The structure is 370 ft (112.8 m) long with a longest span of 136 ft (41.5 m) and a deck 89 ft wide.

Who owns NW Cookingham DR E over Is 435?

It is owned by the State Highway Agency.