US Bridges

South Mayo DR/680 over South Mayo River

Fair

Patrick County, Virginia · 0.85-RT 682;0.60-RT 853 · Structure no. 000000000013354

Built
1980
45 years old
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
74 ft
2 main spans
Daily traffic
502
2022 count
Owner
State
State Highway Agency

About this bridge

South Mayo DR/680 over South Mayo River is a steel stringer/multi-beam or girder carrying South Mayo DR/680 over South Mayo River in Patrick County, Virginia. It was built in 1980, so it is 45 years old, younger than the Virginia average of 50.7 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 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 502 vehicles a day, roughly 1% of them trucks, projected to reach 1,000 by 2042. The structure is 74 ft (22.6 m) long and 22 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesSouth Mayo DR/680
CrossesSouth Mayo River
Location0.85-RT 682;0.60-RT 853
RouteCounty Highway 680
CountyPatrick County
StateVirginia
Coordinates36.60552, -80.20845
Functional classRural Minor Collector

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating89.9 US tons
Inventory rating69 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckWood or timber
Main spans2
Design loadUnknown
Structure length74 ft (22.6 m)
Longest span51 ft (15.5 m)
Deck width22 ft (6.7 m)
Roadway width19 ft (5.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic502 (2022)
Projected traffic1,000 by 2042
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$241.6 million
NavigationNo navigation control on waterway

Frequently asked questions

When was South Mayo DR/680 over South Mayo River built?

It was built in 1980, making it 45 years old in 2025.

What condition is South Mayo DR/680 over South Mayo River 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 October 2024.

How much traffic does South Mayo DR/680 over South Mayo River carry?

About 502 vehicles per day (2022 count), of which roughly 1% are trucks.

How long is South Mayo DR/680 over South Mayo River?

The structure is 74 ft (22.6 m) long with a longest span of 51 ft (15.5 m) and a deck 22 ft wide.

Who owns South Mayo DR/680 over South Mayo River?

It is owned by the State Highway Agency.