US Bridges

Prestwood Road over Route I-85 (sbl)

Fair

Brunswick County, Virginia · 1.67 FR 634 & 0.93 to 1 · Structure no. 000000000003716

Built
1969
56 years old
Condition
Fair
inspected February 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
167 ft
3 main spans
Daily traffic
286
2022 count
Owner
State
State Highway Agency

About this bridge

Prestwood Road over Route I-85 (sbl) is a prestressed concrete stringer/multi-beam or girder carrying Prestwood Road over Route I-85 (sbl) in Brunswick County, Virginia. It was built in 1969, so it is 56 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 286 vehicles a day, projected to reach 418 by 2042. The structure is 167 ft (50.9 m) long and 30 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

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CarriesPrestwood Road
CrossesRoute I-85 (sbl)
Location1.67 FR 634 & 0.93 to 1
RouteCounty Highway 646
CountyBrunswick County
StateVirginia
Coordinates36.84995, -77.87549
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating52 US tons
Inventory rating40 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length167 ft (50.9 m)
Longest span66 ft (20 m)
Deck width30 ft (9.1 m)
Roadway width27 ft (8.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic286 (2022)
Projected traffic418 by 2042
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed3.7 mi (6 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$323.2 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was Prestwood Road over Route I-85 (sbl) built?

It was built in 1969, making it 56 years old in 2025.

What condition is Prestwood Road over Route I-85 (sbl) 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 February 2024.

How much traffic does Prestwood Road over Route I-85 (sbl) carry?

About 286 vehicles per day (2022 count).

How long is Prestwood Road over Route I-85 (sbl)?

The structure is 167 ft (50.9 m) long with a longest span of 66 ft (20 m) and a deck 30 ft wide.

Who owns Prestwood Road over Route I-85 (sbl)?

It is owned by the State Highway Agency.