US Bridges

Koger Mill RD /703 over North Mayo River

Fair

Patrick County, Virginia · 0.50 Rt 626; 2.20 Rt 693 · Structure no. 000000000013375

Built
1965
60 years old
Condition
Fair
inspected September 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
47 ft
1 main span
Daily traffic
140
2014 count
Owner
State
State Highway Agency

About this bridge

Koger Mill RD /703 over North Mayo River is a steel stringer/multi-beam or girder carrying Koger Mill RD /703 over North Mayo River in Patrick County, Virginia. It was built in 1965, so it is 60 years old, older 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 140 vehicles a day, projected to reach 227 by 2045. The structure is 47 ft (14.3 m) long and 20 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

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CarriesKoger Mill RD /703
CrossesNorth Mayo River
Location0.50 Rt 626; 2.20 Rt 693
RouteCounty Highway 703
CountyPatrick County
StateVirginia
Coordinates36.68152, -80.09914
Functional classRural Local

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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating81 US tons
Inventory rating61.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckWood or timber
Main spans1
Design loadHL 93
Structure length47 ft (14.3 m)
Longest span45 ft (13.7 m)
Deck width20 ft (6.2 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic140 (2014)
Projected traffic227 by 2045
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost$152.3 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Koger Mill RD /703 over North Mayo River built?

It was built in 1965, making it 60 years old in 2025.

What condition is Koger Mill RD /703 over North 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 September 2023.

How much traffic does Koger Mill RD /703 over North Mayo River carry?

About 140 vehicles per day (2014 count).

How long is Koger Mill RD /703 over North Mayo River?

The structure is 47 ft (14.3 m) long with a longest span of 45 ft (13.7 m) and a deck 20 ft wide.

Who owns Koger Mill RD /703 over North Mayo River?

It is owned by the State Highway Agency.