US Bridges

Ramp N-Sp over NS Railway

Good

Fairfax County, Virginia · 00.10FR395/00.30TO95 · Structure no. 000000000027456

Built
2005
20 years old
Condition
Good
inspected November 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
178 ft
1 main span
Daily traffic
90,568
2018 count
Owner
State
State Highway Agency

About this bridge

Ramp N-Sp over NS Railway is a steel stringer/multi-beam or girder carrying Ramp N-Sp over NS Railway in Fairfax County, Virginia. It was built in 2005, so it is 20 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 90,568 vehicles a day, roughly 3% of them trucks, projected to reach 30,000 by 2042. The structure is 178 ft (54.3 m) long and 46 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

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CarriesRamp N-Sp
CrossesNS Railway
Location00.10FR395/00.30TO95
RouteInterstate 95
CountyFairfax County
StateVirginia
Coordinates38.79293, -77.17455
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionNovember 2023
Inspection intervalevery 22 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating85.6 US tons
Inventory rating66.2 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length178 ft (54.3 m)
Longest span176 ft (53.6 m)
Deck width46 ft (14 m)
Roadway width43 ft (13.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic90,568 (2018)
Projected traffic30,000 by 2042
Trucks3%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesRailroad
Detour if closed6.2 mi (10 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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost$3 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was Ramp N-Sp over NS Railway built?

It was built in 2005, making it 20 years old in 2025.

What condition is Ramp N-Sp over NS Railway 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 November 2023.

How much traffic does Ramp N-Sp over NS Railway carry?

About 90,568 vehicles per day (2018 count), of which roughly 3% are trucks.

How long is Ramp N-Sp over NS Railway?

The structure is 178 ft (54.3 m) long with a longest span of 176 ft (53.6 m) and a deck 46 ft wide.

Who owns Ramp N-Sp over NS Railway?

It is owned by the State Highway Agency.