US Bridges

Mo 78 W over Lit Blue Rvr

Good

Jackson County, Missouri · S 35 T 50 N R 31 W · Structure no. 3243

Built
1983
42 years old
Condition
Good
inspected October 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
216 ft
5 main spans
Daily traffic
1,870
2024 count
Owner
State
State Highway Agency

About this bridge

Mo 78 W over Lit Blue Rvr is a prestressed concrete continuous stringer/multi-beam or girder carrying Mo 78 W over Lit Blue Rvr in Jackson County, Missouri. It was built in 1983, so it is 42 years old, younger 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.

It carries about 1,870 vehicles a day, roughly 7% of them trucks, projected to reach 2,525 by 2044. The structure is 216 ft (65.8 m) long and 43 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesMo 78 W
CrossesLit Blue Rvr
LocationS 35 T 50 N R 31 W
RouteState Highway 78
Coordinates39.1004, -94.30076
Functional classUrban Other Principal Arterial

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 inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating85.3 US tons
Inventory rating57.5 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20 + Mod
Structure length216 ft (65.8 m)
Longest span47 ft (14.3 m)
Deck width43 ft (13 m)
Roadway width41 ft (12.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,870 (2024)
Projected traffic2,525 by 2044
Trucks7%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemYes

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 Mo 78 W over Lit Blue Rvr built?

It was built in 1983, making it 42 years old in 2025.

What condition is Mo 78 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 October 2023.

How much traffic does Mo 78 W over Lit Blue Rvr carry?

About 1,870 vehicles per day (2024 count), of which roughly 7% are trucks.

How long is Mo 78 W over Lit Blue Rvr?

The structure is 216 ft (65.8 m) long with a longest span of 47 ft (14.3 m) and a deck 43 ft wide.

Who owns Mo 78 W over Lit Blue Rvr?

It is owned by the State Highway Agency.