US Bridges

Mo 79 S over Gwins CR

Good

Pike County, Missouri · S 30 T 52 N R 2 E · Structure no. 35224

Built
2015
10 years old
Condition
Good
inspected December 2024
Type
Tee Beam
Prestressed Concrete
Length
124 ft
1 main span
Daily traffic
695
2024 count
Owner
State
State Highway Agency

About this bridge

Mo 79 S over Gwins CR is a prestressed concrete tee beam carrying Mo 79 S over Gwins CR in Pike County, Missouri. It was built in 2015, so it is 10 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 695 vehicles a day, roughly 19% of them trucks, projected to reach 1,077 by 2044. The structure is 124 ft (37.8 m) long and 35 ft wide. If it were closed, the detour would be 19.3 mi (31 km).

CarriesMo 79 S
CrossesGwins CR
LocationS 30 T 52 N R 2 E
RouteState Highway 79
Coordinates39.25396, -90.82085
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure9 ExcellentNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99.2 US tons
Inventory rating48.6 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length124 ft (37.8 m)
Longest span120 ft (36.6 m)
Deck width35 ft (10.8 m)
Roadway width33 ft (10 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic695 (2024)
Projected traffic1,077 by 2044
Trucks19%
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 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 Gwins CR built?

It was built in 2015, making it 10 years old in 2025.

What condition is Mo 79 S over Gwins 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 December 2024.

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

About 695 vehicles per day (2024 count), of which roughly 19% are trucks.

How long is Mo 79 S over Gwins CR?

The structure is 124 ft (37.8 m) long with a longest span of 120 ft (36.6 m) and a deck 35 ft wide.

Who owns Mo 79 S over Gwins CR?

It is owned by the State Highway Agency.