US Bridges

Mo 79 S over Big Bills CR

Fair

Lincoln County, Missouri · S 16 T 51 N R 2 E · Structure no. 5772

Built
1936
89 years old
Condition
Fair
inspected September 2024
Type
Culvert
Concrete Continuous
Length
26 ft
2 main spans
Daily traffic
1,362
2024 count
Owner
State
State Highway Agency

About this bridge

Mo 79 S over Big Bills CR is a concrete continuous culvert carrying Mo 79 S over Big Bills CR in Lincoln County, Missouri. It was built in 1936, so it is 89 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 5 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 1,362 vehicles a day, roughly 22% of them trucks, projected to reach 2,724 by 2044. The structure is 26 ft (8 m) long and 36 ft wide. If it were closed, the detour would be 19.3 mi (31 km).

CarriesMo 79 S
CrossesBig Bills CR
LocationS 16 T 51 N R 2 E
RouteState Highway 79
Coordinates39.19126, -90.78995
Functional classRural Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionSeptember 2024
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 geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating95.2 US tons
Inventory rating56.5 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadH 15
Structure length26 ft (8 m)
Longest span12 ft (3.7 m)
Deck width36 ft (11 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,362 (2024)
Projected traffic2,724 by 2044
Trucks22%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed19.3 mi (31 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 79 S over Big Bills CR built?

It was built in 1936, making it 89 years old in 2025.

What condition is Mo 79 S over Big Bills CR 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 September 2024.

How much traffic does Mo 79 S over Big Bills CR carry?

About 1,362 vehicles per day (2024 count), of which roughly 22% are trucks.

How long is Mo 79 S over Big Bills CR?

The structure is 26 ft (8 m) long with a longest span of 12 ft (3.7 m) and a deck 36 ft wide.

Who owns Mo 79 S over Big Bills CR?

It is owned by the State Highway Agency.