US Bridges

Mo 79 S over Sandy CR

Good

Lincoln County, Missouri · S 35 T 50 N R 2 E · Structure no. 33992

Built
2012
13 years old
Condition
Good
inspected September 2024
Type
Tee Beam
Prestressed Concrete Continuous
Length
266 ft
3 main spans
Daily traffic
2,989
2024 count
Owner
State
State Highway Agency

About this bridge

Mo 79 S over Sandy CR is a prestressed concrete continuous tee beam carrying Mo 79 S over Sandy CR in Lincoln 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 2,989 vehicles a day, roughly 19% of them trucks, projected to reach 5,978 by 2044. The structure is 266 ft (81.2 m) long and 35 ft wide. If it were closed, the detour would be 24.9 mi (40 km).

CarriesMo 79 S
CrossesSandy CR
LocationS 35 T 50 N R 2 E
RouteState Highway 79
Coordinates39.0516, -90.7428
Functional classRural Minor Arterial

Condition and inspection

Good

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure9 ExcellentNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation9: Superior to present desirable criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75.4 US tons
Inventory rating45.6 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length266 ft (81.2 m)
Longest span101 ft (30.8 m)
Deck width35 ft (10.6 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,989 (2024)
Projected traffic5,978 by 2044
Trucks19%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed24.9 mi (40 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 79 S over Sandy CR built?

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

What condition is Mo 79 S over Sandy CR 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 September 2024.

How much traffic does Mo 79 S over Sandy CR carry?

About 2,989 vehicles per day (2024 count), of which roughly 19% are trucks.

How long is Mo 79 S over Sandy CR?

The structure is 266 ft (81.2 m) long with a longest span of 101 ft (30.8 m) and a deck 35 ft wide.

Who owns Mo 79 S over Sandy CR?

It is owned by the State Highway Agency.