US Bridges

E 9th ST W over Is 70

Fair

Jackson County, Missouri · S 5 T 49 N R 33 W · Structure no. 6609

Built
1958
67 years old
Condition
Fair
inspected September 2023
Type
Box Beam or Girders - Single or Spread
Concrete Continuous
Length
264 ft
4 main spans
Daily traffic
1,430
2024 count
Owner
State
State Highway Agency

About this bridge

E 9th ST W over Is 70 is a concrete continuous box beam or girders - single or spread carrying E 9th ST W over Is 70 in Jackson County, Missouri. It was built in 1958, 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 1,430 vehicles a day, roughly 5% of them trucks, projected to reach 2,002 by 2044. The structure is 264 ft (80.5 m) long and 56 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesE 9th ST W
CrossesIs 70
LocationS 5 T 49 N R 33 W
RouteCity Street 0
CountyJackson County
StateMissouri
Coordinates39.10324, -94.57233
Functional classUrban Collector

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.
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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating79.4 US tons
Inventory rating47.6 US tons

Structure

Structure typeBox Beam or Girders - Single or Spread
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length264 ft (80.5 m)
Longest span82 ft (25 m)
Deck width56 ft (17.2 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,430 (2024)
Projected traffic2,002 by 2044
Trucks5%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

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$2.2 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was E 9th ST W over Is 70 built?

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

What condition is E 9th ST W over Is 70 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 E 9th ST W over Is 70 carry?

About 1,430 vehicles per day (2024 count), of which roughly 5% are trucks.

How long is E 9th ST W over Is 70?

The structure is 264 ft (80.5 m) long with a longest span of 82 ft (25 m) and a deck 56 ft wide.

Who owns E 9th ST W over Is 70?

It is owned by the State Highway Agency.