US Bridges

Is 435 S over Drain Dtch

Fair

Clay County, Missouri · S 9 T 50 N R 32 W · Structure no. 1656

Built
1967
58 years old
Condition
Fair
inspected November 2024
Type
Culvert
Concrete Continuous
Length
23 ft
2 main spans
Daily traffic
81,653
2024 count
Owner
State
State Highway Agency

About this bridge

Is 435 S over Drain Dtch is a concrete continuous culvert carrying Is 435 S over Drain Dtch in Clay County, Missouri. It was built in 1967, so it is 58 years old, older 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 81,653 vehicles a day, roughly 15% of them trucks, projected to reach 146,975 by 2044. The structure is 23 ft (7 m) long. If it were closed, the detour would be 0.6 mi (1 km).

CarriesIs 435 S
CrossesDrain Dtch
LocationS 9 T 50 N R 32 W
RouteInterstate 435
Coordinates39.15542, -94.49815
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
Channel and channel protection8 Very GoodNo problems noted.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating110.1 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 20
Structure length23 ft (7 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic81,653 (2024)
Projected traffic146,975 by 2044
Trucks15%
Lanes on structure7
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Is 435 S over Drain Dtch built?

It was built in 1967, making it 58 years old in 2025.

What condition is Is 435 S over Drain Dtch 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 November 2024.

How much traffic does Is 435 S over Drain Dtch carry?

About 81,653 vehicles per day (2024 count), of which roughly 15% are trucks.

How long is Is 435 S over Drain Dtch?

The structure is 23 ft (7 m) long with a longest span of 12 ft (3.7 m).

Who owns Is 435 S over Drain Dtch?

It is owned by the State Highway Agency.