US Bridges

I 95 NB Outer Loop over Sanitary Plant Outfall

Good

Fairfax County, Virginia · 01.20FR0241/00.20TO0001 · Structure no. 000000000027100

Built
2008
17 years old
Condition
Good
inspected August 2024
Type
Stringer/Multi-beam or Girder
Concrete
Length
71 ft
1 main span
Daily traffic
46,659
2022 count
Owner
State
State Highway Agency

About this bridge

I 95 NB Outer Loop over Sanitary Plant Outfall is a concrete stringer/multi-beam or girder carrying I 95 NB Outer Loop over Sanitary Plant Outfall in Fairfax County, Virginia. It was built in 2008, so it is 17 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 46,659 vehicles a day, projected to reach 68,122 by 2042. The structure is 71 ft (21.5 m) long and 62 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesI 95 NB Outer Loop
CrossesSanitary Plant Outfall
Location01.20FR0241/00.20TO0001
RouteInterstate 95
Coordinates38.79396, -77.05762
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Good

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating46.2 US tons

Structure

MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length71 ft (21.5 m)
Longest span69 ft (20.9 m)
Deck width62 ft (18.9 m)
Roadway width59 ft (18 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic46,659 (2022)
Projected traffic68,122 by 2042
Trucks0%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was I 95 NB Outer Loop over Sanitary Plant Outfall built?

It was built in 2008, making it 17 years old in 2025.

What condition is I 95 NB Outer Loop over Sanitary Plant Outfall 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 August 2024.

How much traffic does I 95 NB Outer Loop over Sanitary Plant Outfall carry?

About 46,659 vehicles per day (2022 count).

How long is I 95 NB Outer Loop over Sanitary Plant Outfall?

The structure is 71 ft (21.5 m) long with a longest span of 69 ft (20.9 m) and a deck 62 ft wide.

Who owns I 95 NB Outer Loop over Sanitary Plant Outfall?

It is owned by the State Highway Agency.