US Bridges

Is 70 W over Lit Blue Rvr

GoodPosted for load

Jackson County, Missouri · S 21 T 49 N R 31 W · Structure no. 42

Built
1964
61 years old, rebuilt 2004
Condition
Good
inspected November 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
218 ft
3 main spans
Daily traffic
55,516
2024 count
Owner
State
State Highway Agency

About this bridge

Is 70 W over Lit Blue Rvr is a steel continuous stringer/multi-beam or girder carrying Is 70 W over Lit Blue Rvr in Jackson County, Missouri. It was built in 1964 and reconstructed in 2004, so it is 61 years old, older than the Missouri average of 45.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. Its operating status is: posted for load restriction.

It carries about 55,516 vehicles a day, roughly 24% of them trucks, projected to reach 74,947 by 2044. The structure is 218 ft (66.4 m) long and 54 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesIs 70 W
CrossesLit Blue Rvr
LocationS 21 T 49 N R 31 W
RouteInterstate 70
Coordinates39.04016, -94.34965
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating58.5 US tons
Inventory rating34.7 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length218 ft (66.4 m)
Longest span80 ft (24.4 m)
Deck width54 ft (16.6 m)
Roadway width52 ft (15.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic55,516 (2024)
Projected traffic74,947 by 2044
Trucks24%
Lanes on structure4
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Is 70 W over Lit Blue Rvr built?

It was built in 1964, making it 61 years old in 2025. It was reconstructed in 2004.

What condition is Is 70 W over Lit Blue Rvr in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in November 2023.

How much traffic does Is 70 W over Lit Blue Rvr carry?

About 55,516 vehicles per day (2024 count), of which roughly 24% are trucks.

How long is Is 70 W over Lit Blue Rvr?

The structure is 218 ft (66.4 m) long with a longest span of 80 ft (24.4 m) and a deck 54 ft wide.

Who owns Is 70 W over Lit Blue Rvr?

It is owned by the State Highway Agency.