US Bridges

Gum Log Road / 620 over Sugar Run

Fair

Pulaski County, Virginia · 0.05-RTE 665; 0.20-RTE729 · Structure no. 000000000014554

Built
1976
49 years old, rebuilt 2011
Condition
Fair
inspected August 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
24 ft
1 main span
Daily traffic
161
2014 count
Owner
State
State Highway Agency

About this bridge

Gum Log Road / 620 over Sugar Run is a steel stringer/multi-beam or girder carrying Gum Log Road / 620 over Sugar Run in Pulaski County, Virginia. It was built in 1976 and reconstructed in 2011, so it is 49 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 161 vehicles a day, projected to reach 186 by 2045. The structure is 24 ft (7.3 m) long and 26 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

Location

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CarriesGum Log Road / 620
CrossesSugar Run
Location0.05-RTE 665; 0.20-RTE729
RouteCounty Highway 620
CountyPulaski County
StateVirginia
Coordinates37.01716, -80.57348
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating68 US tons
Inventory rating52 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckWood or timber
Main spans1
Design loadUnknown
Structure length24 ft (7.3 m)
Longest span24 ft (7.3 m)
Deck width26 ft (7.9 m)
Roadway width24 ft (7.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic161 (2014)
Projected traffic186 by 2045
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 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$3 million (2021 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Gum Log Road / 620 over Sugar Run built?

It was built in 1976, making it 49 years old in 2025. It was reconstructed in 2011.

What condition is Gum Log Road / 620 over Sugar Run 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 August 2023.

How much traffic does Gum Log Road / 620 over Sugar Run carry?

About 161 vehicles per day (2014 count).

How long is Gum Log Road / 620 over Sugar Run?

The structure is 24 ft (7.3 m) long with a longest span of 24 ft (7.3 m) and a deck 26 ft wide.

Who owns Gum Log Road / 620 over Sugar Run?

It is owned by the State Highway Agency.