US Bridges

Mo 168 E over North Rvr

Good

Marion County, Missouri · S 22 T 58 N R 6 W · Structure no. 33988

Built
2012
13 years old
Condition
Good
inspected October 2023
Type
Tee Beam
Prestressed Concrete
Length
492 ft
5 main spans
Daily traffic
1,861
2024 count
Owner
State
State Highway Agency

About this bridge

Mo 168 E over North Rvr is a prestressed concrete tee beam carrying Mo 168 E over North Rvr in Marion County, Missouri. It was built in 2012, so it is 13 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 1,861 vehicles a day, roughly 11% of them trucks, projected to reach 2,698 by 2044. The structure is 492 ft (150 m) long and 31 ft wide. If it were closed, the detour would be 24.2 mi (39 km).

CarriesMo 168 E
CrossesNorth Rvr
LocationS 22 T 58 N R 6 W
RouteState Highway 168
Coordinates39.80506, -91.56144
Functional classRural Major Collector

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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating80.4 US tons
Inventory rating48.6 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans5
Design loadHL 93
Structure length492 ft (150 m)
Longest span100 ft (30.5 m)
Deck width31 ft (9.3 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,861 (2024)
Projected traffic2,698 by 2044
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed24.2 mi (39 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Mo 168 E over North Rvr built?

It was built in 2012, making it 13 years old in 2025.

What condition is Mo 168 E over North 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 168 E over North Rvr carry?

About 1,861 vehicles per day (2024 count), of which roughly 11% are trucks.

How long is Mo 168 E over North Rvr?

The structure is 492 ft (150 m) long with a longest span of 100 ft (30.5 m) and a deck 31 ft wide.

Who owns Mo 168 E over North Rvr?

It is owned by the State Highway Agency.