US Bridges

Rocky Branch Road over Route I-85

Fair

Mecklenburg County, Virginia · .13 FR F115 & 1. to 618 · Structure no. 000000000011990

Built
1965
60 years old
Condition
Fair
inspected March 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
343 ft
6 main spans
Daily traffic
398
2019 count
Owner
State
State Highway Agency

About this bridge

Rocky Branch Road over Route I-85 is a prestressed concrete stringer/multi-beam or girder carrying Rocky Branch Road over Route I-85 in Mecklenburg 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 5 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 398 vehicles a day, projected to reach 474 by 2042. The structure is 343 ft (104.5 m) long and 29 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesRocky Branch Road
CrossesRoute I-85
Location.13 FR F115 & 1. to 618
RouteCounty Highway 642
CountyMecklenburg County
StateVirginia
Coordinates36.69802, -78.12071
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating92 US tons
Inventory rating59 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans6
Design loadHS 20
Structure length343 ft (104.5 m)
Longest span59 ft (18.1 m)
Deck width29 ft (8.8 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic398 (2019)
Projected traffic474 by 2042
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost$462 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was Rocky Branch Road over Route I-85 built?

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

What condition is Rocky Branch Road over Route I-85 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 March 2024.

How much traffic does Rocky Branch Road over Route I-85 carry?

About 398 vehicles per day (2019 count).

How long is Rocky Branch Road over Route I-85?

The structure is 343 ft (104.5 m) long with a longest span of 59 ft (18.1 m) and a deck 29 ft wide.

Who owns Rocky Branch Road over Route I-85?

It is owned by the State Highway Agency.