US Bridges

Guinea RD RTE 651 over Long Branch

Good

Fairfax County, Virginia · 00.52FR620 / 00.15TOBREAB · Structure no. 000000000029658

Built
2011
14 years old
Condition
Good
inspected September 2024
Type
Arch - Deck
Concrete Continuous
Length
56 ft
1 main span
Daily traffic
9,398
2022 count
Owner
State
State Highway Agency

About this bridge

Guinea RD RTE 651 over Long Branch is a concrete continuous arch - deck carrying Guinea RD RTE 651 over Long Branch in Fairfax County, Virginia. It was built in 2011, so it is 14 years old, younger than the Virginia average of 50.7 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 9,398 vehicles a day, projected to reach 10,479 by 2042. The structure is 56 ft (17.1 m) long and 42 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesGuinea RD RTE 651
CrossesLong Branch
Location00.52FR620 / 00.15TOBREAB
RouteCounty Highway 651
CountyFairfax County
StateVirginia
Coordinates38.82068, -77.26209
Functional classUrban Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating99 US tons
Inventory rating78 US tons

Structure

Structure typeArch - Deck
MaterialConcrete Continuous
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length56 ft (17.1 m)
Longest span54 ft (16.5 m)
Deck width42 ft (12.8 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deck99 ft (30.2 m)

Traffic and service

Average daily traffic9,398 (2022)
Projected traffic10,479 by 2042
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed5 mi (8 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$2.5 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was Guinea RD RTE 651 over Long Branch built?

It was built in 2011, making it 14 years old in 2025.

What condition is Guinea RD RTE 651 over Long Branch in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in September 2024.

How much traffic does Guinea RD RTE 651 over Long Branch carry?

About 9,398 vehicles per day (2022 count).

How long is Guinea RD RTE 651 over Long Branch?

The structure is 56 ft (17.1 m) long with a longest span of 54 ft (16.5 m) and a deck 42 ft wide.

Who owns Guinea RD RTE 651 over Long Branch?

It is owned by the State Highway Agency.