US Bridges

Is 435 N over Cst N Mersington Ave

Good

Clay County, Missouri · S 18 T 52 N R 32 W · Structure no. 2774

Built
1983
42 years old
Condition
Good
inspected September 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
129 ft
3 main spans
Daily traffic
11,297
2024 count
Owner
State
State Highway Agency

About this bridge

Is 435 N over Cst N Mersington Ave is a prestressed concrete continuous stringer/multi-beam or girder carrying Is 435 N over Cst N Mersington Ave in Clay County, Missouri. It was built in 1983, so it is 42 years old, younger than the Missouri average of 45.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 11,297 vehicles a day, roughly 19% of them trucks, projected to reach 20,335 by 2044. The structure is 129 ft (39.3 m) long and 43 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesIs 435 N
CrossesCst N Mersington Ave
LocationS 18 T 52 N R 32 W
RouteInterstate 435
Coordinates39.31119, -94.53384
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating54.6 US tons
Inventory rating32.7 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length129 ft (39.3 m)
Longest span67 ft (20.4 m)
Deck width43 ft (13 m)
Roadway width39 ft (11.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,297 (2024)
Projected traffic20,335 by 2044
Trucks19%
Lanes on structure2
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 Cst N Mersington Ave built?

It was built in 1983, making it 42 years old in 2025.

What condition is Is 435 N over Cst N Mersington Ave in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in September 2024.

How much traffic does Is 435 N over Cst N Mersington Ave carry?

About 11,297 vehicles per day (2024 count), of which roughly 19% are trucks.

How long is Is 435 N over Cst N Mersington Ave?

The structure is 129 ft (39.3 m) long with a longest span of 67 ft (20.4 m) and a deck 43 ft wide.

Who owns Is 435 N over Cst N Mersington Ave?

It is owned by the State Highway Agency.