US Bridges

Is 70 W over Cst Brooklyn Ave

Fair

Jackson County, Missouri · S 4 T 49 N R 33 W · Structure no. 258

Built
1958
67 years old, rebuilt 1986
Condition
Fair
inspected August 2023
Type
Slab
Concrete Continuous
Length
144 ft
3 main spans
Daily traffic
57,907
2024 count
Owner
State
State Highway Agency

About this bridge

Is 70 W over Cst Brooklyn Ave is a concrete continuous slab carrying Is 70 W over Cst Brooklyn Ave in Jackson County, Missouri. It was built in 1958 and reconstructed in 1986, 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 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 57,907 vehicles a day, roughly 18% of them trucks, projected to reach 78,174 by 2044. The structure is 144 ft (43.9 m) long and 62 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesIs 70 W
CrossesCst Brooklyn Ave
LocationS 4 T 49 N R 33 W
RouteInterstate 70
Coordinates39.09599, -94.55618
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating76.4 US tons
Inventory rating45.6 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length144 ft (43.9 m)
Longest span64 ft (19.5 m)
Deck width62 ft (19 m)
Roadway width59 ft (18.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic57,907 (2024)
Projected traffic78,174 by 2044
Trucks18%
Lanes on structure4
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
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$1.8 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Is 70 W over Cst Brooklyn Ave built?

It was built in 1958, making it 67 years old in 2025. It was reconstructed in 1986.

What condition is Is 70 W over Cst Brooklyn 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 Brooklyn Ave carry?

About 57,907 vehicles per day (2024 count), of which roughly 18% are trucks.

How long is Is 70 W over Cst Brooklyn Ave?

The structure is 144 ft (43.9 m) long with a longest span of 64 ft (19.5 m) and a deck 62 ft wide.

Who owns Is 70 W over Cst Brooklyn Ave?

It is owned by the State Highway Agency.