US Bridges

Mo 168 E over South Rvr

Fair

Marion County, Missouri · S 21 T 58 N R 5 W · Structure no. 1809

Built
1967
58 years old
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
153 ft
3 main spans
Daily traffic
1,542
2024 count
Owner
State
State Highway Agency

About this bridge

Mo 168 E over South Rvr is a steel continuous stringer/multi-beam or girder carrying Mo 168 E over South Rvr in Marion County, Missouri. It was built in 1967, so it is 58 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 6 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 1,542 vehicles a day, roughly 8% of them trucks, projected to reach 2,236 by 2044. The structure is 153 ft (46.6 m) long and 35 ft wide. If it were closed, the detour would be 21.1 mi (34 km).

Location

Open in Google Maps
CarriesMo 168 E
CrossesSouth Rvr
LocationS 21 T 58 N R 5 W
RouteState Highway 168
CountyMarion County
StateMissouri
Coordinates39.80889, -91.46361
Functional classRural Major 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
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
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating36.7 US tons
Inventory rating21.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length153 ft (46.6 m)
Longest span60 ft (18.3 m)
Deck width35 ft (10.6 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,542 (2024)
Projected traffic2,236 by 2044
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed21.1 mi (34 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Mo 168 E over South Rvr built?

It was built in 1967, making it 58 years old in 2025.

What condition is Mo 168 E over South Rvr 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 October 2023.

How much traffic does Mo 168 E over South Rvr carry?

About 1,542 vehicles per day (2024 count), of which roughly 8% are trucks.

How long is Mo 168 E over South Rvr?

The structure is 153 ft (46.6 m) long with a longest span of 60 ft (18.3 m) and a deck 35 ft wide.

Who owns Mo 168 E over South Rvr?

It is owned by the State Highway Agency.