US Bridges

Is 70 W over Cst E 12th ST

Fair

Jackson County, Missouri · S 5 T 49 N R 33 W · Structure no. 215

Built
1958
67 years old, rebuilt 1984
Condition
Fair
inspected September 2023
Type
Box Beam or Girders - Single or Spread
Concrete Continuous
Length
156 ft
3 main spans
Daily traffic
21,169
2024 count
Owner
State
State Highway Agency

About this bridge

Is 70 W over Cst E 12th ST is a concrete continuous box beam or girders - single or spread carrying Is 70 W over Cst E 12th ST 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 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 21,169 vehicles a day, roughly 15% of them trucks, projected to reach 28,578 by 2044. The structure is 156 ft (47.5 m) long and 40 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesIs 70 W
CrossesCst E 12th ST
LocationS 5 T 49 N R 33 W
RouteInterstate 70
CountyJackson County
StateMissouri
Coordinates39.09951, -94.57252
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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionSeptember 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 rating103.2 US tons
Inventory rating62.5 US tons

Structure

Structure typeBox Beam or Girders - Single or Spread
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length156 ft (47.5 m)
Longest span63 ft (19.2 m)
Deck width40 ft (12.1 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic21,169 (2024)
Projected traffic28,578 by 2044
Trucks15%
Lanes on structure1
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$1.2 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Is 70 W over Cst E 12th ST 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 E 12th ST 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 September 2023.

How much traffic does Is 70 W over Cst E 12th ST carry?

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

How long is Is 70 W over Cst E 12th ST?

The structure is 156 ft (47.5 m) long with a longest span of 63 ft (19.2 m) and a deck 40 ft wide.

Who owns Is 70 W over Cst E 12th ST?

It is owned by the State Highway Agency.