US Bridges

North Shore Drive over Tributary to Lake Anne

Fair

Fairfax County, Virginia · 00.26FR4725/00.22TO4727 · Structure no. 000000000007020

Built
1973
52 years old
Condition
Fair
inspected February 2024
Type
Slab
Prestressed Concrete
Length
39 ft
1 main span
Daily traffic
4,575
2022 count
Owner
State
State Highway Agency

About this bridge

North Shore Drive over Tributary to Lake Anne is a prestressed concrete slab carrying North Shore Drive over Tributary to Lake Anne in Fairfax County, Virginia. It was built in 1973, so it is 52 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 4,575 vehicles a day, roughly 1% of them trucks, projected to reach 5,101 by 2042. The structure is 39 ft (11.9 m) long and 48 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesNorth Shore Drive
CrossesTributary to Lake Anne
Location00.26FR4725/00.22TO4727
RouteCounty Highway 4726
Coordinates38.96761, -77.34331
Functional classUrban 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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating63.1 US tons
Inventory rating48.7 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length39 ft (11.9 m)
Longest span39 ft (11.9 m)
Deck width48 ft (14.5 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,575 (2022)
Projected traffic5,101 by 2042
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$2.5 million
NavigationNo navigation control on waterway

Frequently asked questions

When was North Shore Drive over Tributary to Lake Anne built?

It was built in 1973, making it 52 years old in 2025.

What condition is North Shore Drive over Tributary to Lake Anne 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 North Shore Drive over Tributary to Lake Anne carry?

About 4,575 vehicles per day (2022 count), of which roughly 1% are trucks.

How long is North Shore Drive over Tributary to Lake Anne?

The structure is 39 ft (11.9 m) long with a longest span of 39 ft (11.9 m) and a deck 48 ft wide.

Who owns North Shore Drive over Tributary to Lake Anne?

It is owned by the State Highway Agency.