US Bridges

Prosperity Avenue over Accotink Creek

Fair

Fairfax County, Virginia · 00.25FR978/00.40TO908 · Structure no. 000000000006867

Built
1988
37 years old
Condition
Fair
inspected March 2024
Type
Slab
Prestressed Concrete
Length
45 ft
1 main span
Daily traffic
10,010
2022 count
Owner
State
State Highway Agency

About this bridge

Prosperity Avenue over Accotink Creek is a prestressed concrete slab carrying Prosperity Avenue over Accotink Creek in Fairfax County, Virginia. It was built in 1988, so it is 37 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 10,010 vehicles a day, roughly 1% of them trucks, projected to reach 10,994 by 2042. The structure is 45 ft (13.7 m) long and 28 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesProsperity Avenue
CrossesAccotink Creek
Location00.25FR978/00.40TO908
RouteCounty Highway 699
CountyFairfax County
StateVirginia
Coordinates38.85336, -77.24712
Functional classUrban Minor Arterial

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating82.8 US tons
Inventory rating63.9 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length45 ft (13.7 m)
Longest span45 ft (13.7 m)
Deck width28 ft (8.5 m)
Roadway width25 ft (7.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,010 (2022)
Projected traffic10,994 by 2042
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$300 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Prosperity Avenue over Accotink Creek built?

It was built in 1988, making it 37 years old in 2025.

What condition is Prosperity Avenue over Accotink 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 March 2024.

How much traffic does Prosperity Avenue over Accotink Creek carry?

About 10,010 vehicles per day (2022 count), of which roughly 1% are trucks.

How long is Prosperity Avenue over Accotink Creek?

The structure is 45 ft (13.7 m) long with a longest span of 45 ft (13.7 m) and a deck 28 ft wide.

Who owns Prosperity Avenue over Accotink Creek?

It is owned by the State Highway Agency.