US Bridges

JULIASIMPKINSRD693 over Mack Creek

FairPosted for load

Pulaski County, Virginia · 0.03-RTE686; 0.00-RTE655 · Structure no. 000000000014606

Built
1929
96 years old
Condition
Fair
inspected September 2024
Type
Arch - Deck
Concrete
Length
62 ft
1 main span
Daily traffic
798
2022 count
Owner
State
State Highway Agency

About this bridge

JULIASIMPKINSRD693 over Mack Creek is a concrete arch - deck carrying JULIASIMPKINSRD693 over Mack Creek in Pulaski County, Virginia. It was built in 1929, so it is 96 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 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 798 vehicles a day, roughly 1% of them trucks, projected to reach 890 by 2045. The structure is 62 ft (18.9 m) long and 20 ft wide. If it were closed, the detour would be 19.9 mi (32 km).

Location

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CarriesJULIASIMPKINSRD693
CrossesMack Creek
Location0.03-RTE686; 0.00-RTE655
RouteCounty Highway 693
CountyPulaski County
StateVirginia
Coordinates36.98565, -80.69058
Functional classRural Major 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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating28 US tons
Inventory rating17 US tons

Structure

Structure typeArch - Deck
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length62 ft (18.9 m)
Longest span62 ft (18.9 m)
Deck width20 ft (6.1 m)
Roadway width17 ft (5.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic798 (2022)
Projected traffic890 by 2045
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed19.9 mi (32 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$201.5 million (2020 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was JULIASIMPKINSRD693 over Mack Creek built?

It was built in 1929, making it 96 years old in 2025.

What condition is JULIASIMPKINSRD693 over Mack Creek 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 2024.

How much traffic does JULIASIMPKINSRD693 over Mack Creek carry?

About 798 vehicles per day (2022 count), of which roughly 1% are trucks.

How long is JULIASIMPKINSRD693 over Mack Creek?

The structure is 62 ft (18.9 m) long with a longest span of 62 ft (18.9 m) and a deck 20 ft wide.

Who owns JULIASIMPKINSRD693 over Mack Creek?

It is owned by the State Highway Agency.