US Bridges

Is 470 W over US 40

FairPosted for load

Jackson County, Missouri · S 29 T 49 N R 31 W · Structure no. 1116

Built
1965
60 years old, rebuilt 2007
Condition
Fair
inspected November 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
217 ft
4 main spans
Daily traffic
45,169
2024 count
Owner
State
State Highway Agency

About this bridge

Is 470 W over US 40 is a steel continuous stringer/multi-beam or girder carrying Is 470 W over US 40 in Jackson County, Missouri. It was built in 1965 and reconstructed in 2007, so it is 60 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. Its operating status is: posted for load restriction.

It carries about 45,169 vehicles a day, roughly 6% of them trucks, projected to reach 60,978 by 2044. The structure is 217 ft (66.1 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 470 W
CrossesUS 40
LocationS 29 T 49 N R 31 W
RouteInterstate 470
CountyJackson County
StateMissouri
Coordinates39.03339, -94.36158
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.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusPosted for load 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 rating57.5 US tons
Inventory rating34.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length217 ft (66.1 m)
Longest span65 ft (19.8 m)
Deck width40 ft (12.2 m)
Roadway width37 ft (11.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic45,169 (2024)
Projected traffic60,978 by 2044
Trucks6%
Lanes on structure2
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 proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Is 470 W over US 40 built?

It was built in 1965, making it 60 years old in 2025. It was reconstructed in 2007.

What condition is Is 470 W over US 40 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 November 2023.

How much traffic does Is 470 W over US 40 carry?

About 45,169 vehicles per day (2024 count), of which roughly 6% are trucks.

How long is Is 470 W over US 40?

The structure is 217 ft (66.1 m) long with a longest span of 65 ft (19.8 m) and a deck 40 ft wide.

Who owns Is 470 W over US 40?

It is owned by the State Highway Agency.