US Bridges

Is 70 W over Cst Troost Ave

Fair

Jackson County, Missouri · S 4 T 49 N R 33 W · Structure no. 219

Built
1958
67 years old, rebuilt 1984
Condition
Fair
inspected August 2023
Type
Slab
Concrete Continuous
Length
173 ft
3 main spans
Daily traffic
21,169
2024 count
Owner
State
State Highway Agency

About this bridge

Is 70 W over Cst Troost Ave is a concrete continuous slab carrying Is 70 W over Cst Troost Ave in Jackson County, Missouri. It was built in 1958 and reconstructed in 1984, so it is 67 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 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 21,169 vehicles a day, roughly 15% of them trucks, projected to reach 28,578 by 2044. The structure is 173 ft (52.7 m) long and 44 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesIs 70 W
CrossesCst Troost Ave
LocationS 4 T 49 N R 33 W
RouteInterstate 70
CountyJackson County
StateMissouri
Coordinates39.09699, -94.56999
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.
Substructure7 GoodSome minor problems.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment8: Equal to present desirable criteria
Operating rating66.5 US tons
Inventory rating39.7 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length173 ft (52.7 m)
Longest span78 ft (23.8 m)
Deck width44 ft (13.3 m)
Roadway width41 ft (12.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic21,169 (2024)
Projected traffic28,578 by 2044
Trucks15%
Lanes on structure3
Traffic directionOne-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed3.1 mi (5 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$1.7 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Is 70 W over Cst Troost Ave built?

It was built in 1958, making it 67 years old in 2025. It was reconstructed in 1984.

What condition is Is 70 W over Cst Troost Ave 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 August 2023.

How much traffic does Is 70 W over Cst Troost Ave carry?

About 21,169 vehicles per day (2024 count), of which roughly 15% are trucks.

How long is Is 70 W over Cst Troost Ave?

The structure is 173 ft (52.7 m) long with a longest span of 78 ft (23.8 m) and a deck 44 ft wide.

Who owns Is 70 W over Cst Troost Ave?

It is owned by the State Highway Agency.