US Bridges

Is 70 W over Cst Jackson Ave

Fair

Jackson County, Missouri · S 14 T 49 N R 33 W · Structure no. 275

Built
1960
65 years old, rebuilt 1986
Condition
Fair
inspected August 2023
Type
Box Beam or Girders - Single or Spread
Concrete Continuous
Length
183 ft
3 main spans
Daily traffic
45,701
2024 count
Owner
State
State Highway Agency

About this bridge

Is 70 W over Cst Jackson Ave is a concrete continuous box beam or girders - single or spread carrying Is 70 W over Cst Jackson Ave in Jackson County, Missouri. It was built in 1960 and reconstructed in 1986, so it is 65 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 45,701 vehicles a day, roughly 18% of them trucks, projected to reach 61,696 by 2044. The structure is 183 ft (55.8 m) long and 49 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesIs 70 W
CrossesCst Jackson Ave
LocationS 14 T 49 N R 33 W
RouteInterstate 70
CountyJackson County
StateMissouri
Coordinates39.07348, -94.53423
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating66.5 US tons
Inventory rating39.7 US tons

Structure

Structure typeBox Beam or Girders - Single or Spread
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length183 ft (55.8 m)
Longest span79 ft (24.1 m)
Deck width49 ft (15 m)
Roadway width47 ft (14.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic45,701 (2024)
Projected traffic61,696 by 2044
Trucks18%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.9 mi (3 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 Jackson Ave built?

It was built in 1960, making it 65 years old in 2025. It was reconstructed in 1986.

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

About 45,701 vehicles per day (2024 count), of which roughly 18% are trucks.

How long is Is 70 W over Cst Jackson Ave?

The structure is 183 ft (55.8 m) long with a longest span of 79 ft (24.1 m) and a deck 49 ft wide.

Who owns Is 70 W over Cst Jackson Ave?

It is owned by the State Highway Agency.