US Bridges

Mo 79 S over Lost CR

Good

Lincoln County, Missouri · S 170 T 51 N R 2 E · Structure no. 34330

Built
2013
12 years old
Condition
Good
inspected September 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
124 ft
1 main span
Daily traffic
3,526
2024 count
Owner
State
State Highway Agency

About this bridge

Mo 79 S over Lost CR is a prestressed concrete box beam or girders - multiple carrying Mo 79 S over Lost CR in Lincoln County, Missouri. It was built in 2013, so it is 12 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 3,526 vehicles a day, roughly 19% of them trucks, projected to reach 7,052 by 2044. The structure is 124 ft (37.8 m) long and 36 ft wide. If it were closed, the detour would be 16.8 mi (27 km).

CarriesMo 79 S
CrossesLost CR
LocationS 170 T 51 N R 2 E
RouteState Highway 79
Coordinates39.16272, -90.77917
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.
Superstructure7 GoodSome minor problems.
Substructure9 ExcellentNo problems noted.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no 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 adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating76.4 US tons
Inventory rating45.6 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length124 ft (37.8 m)
Longest span120 ft (36.6 m)
Deck width36 ft (11 m)
Roadway width34 ft (10.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,526 (2024)
Projected traffic7,052 by 2044
Trucks19%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed16.8 mi (27 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 Lost CR built?

It was built in 2013, making it 12 years old in 2025.

What condition is Mo 79 S over Lost 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 Lost CR carry?

About 3,526 vehicles per day (2024 count), of which roughly 19% are trucks.

How long is Mo 79 S over Lost CR?

The structure is 124 ft (37.8 m) long with a longest span of 120 ft (36.6 m) and a deck 36 ft wide.

Who owns Mo 79 S over Lost CR?

It is owned by the State Highway Agency.