US Bridges

Mo 79 S over Cuivre Rvr Crd Dyer RD

Fair

Lincoln County, Missouri · S 1795 T 48 N R 2 E · Structure no. 3412

Built
1985
40 years old
Condition
Fair
inspected June 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
770 ft
3 main spans
Daily traffic
12,712
2024 count
Owner
State
State Highway Agency

About this bridge

Mo 79 S over Cuivre Rvr Crd Dyer RD is a steel continuous stringer/multi-beam or girder carrying Mo 79 S over Cuivre Rvr Crd Dyer RD in Lincoln County, Missouri. It was built in 1985, so it is 40 years old, younger 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 12,712 vehicles a day, roughly 19% of them trucks, projected to reach 25,424 by 2044. The structure is 770 ft (234.7 m) long and 41 ft wide. If it were closed, the detour would be 44.1 mi (71 km).

Location

Open in Google Maps
CarriesMo 79 S
CrossesCuivre Rvr Crd Dyer RD
LocationS 1795 T 48 N R 2 E
RouteState Highway 79
CountyLincoln County
StateMissouri
Coordinates38.92301, -90.75102
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
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 alignment8: Equal to present desirable criteria
Operating rating64.5 US tons
Inventory rating38.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3 (+9 approach)
Design loadHS 20
Structure length770 ft (234.7 m)
Longest span130 ft (39.6 m)
Deck width41 ft (12.6 m)
Roadway width39 ft (11.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic12,712 (2024)
Projected traffic25,424 by 2044
Trucks19%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway and waterway
Detour if closed44.1 mi (71 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 Cuivre Rvr Crd Dyer RD built?

It was built in 1985, making it 40 years old in 2025.

What condition is Mo 79 S over Cuivre Rvr Crd Dyer RD 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 June 2024.

How much traffic does Mo 79 S over Cuivre Rvr Crd Dyer RD carry?

About 12,712 vehicles per day (2024 count), of which roughly 19% are trucks.

How long is Mo 79 S over Cuivre Rvr Crd Dyer RD?

The structure is 770 ft (234.7 m) long with a longest span of 130 ft (39.6 m) and a deck 41 ft wide.

Who owns Mo 79 S over Cuivre Rvr Crd Dyer RD?

It is owned by the State Highway Agency.