US Bridges

I495 Ramp C over Ramp Cc

Good

Fairfax County, Virginia · 00.40FR.I495/00.10TO50EB · Structure no. 000000000006642

Built
1985
40 years old
Condition
Good
inspected July 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
104 ft
1 main span
Daily traffic
8,000
1988 count
Owner
State
State Highway Agency

About this bridge

I495 Ramp C over Ramp Cc is a steel stringer/multi-beam or girder carrying I495 Ramp C over Ramp Cc in Fairfax County, Virginia. It was built in 1985, so it is 40 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 8,000 vehicles a day, roughly 1% of them trucks, projected to reach 18,262 by 2040. The structure is 104 ft (31.7 m) long and 32 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesI495 Ramp C
CrossesRamp Cc
Location00.40FR.I495/00.10TO50EB
RouteInterstate 495
CountyFairfax County
StateVirginia
Coordinates38.86549, -77.21235
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 inspectionJuly 2023
Inspection intervalevery 24 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 rating76.6 US tons
Inventory rating59.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length104 ft (31.7 m)
Longest span104 ft (31.7 m)
Deck width32 ft (9.7 m)
Roadway width29 ft (8.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,000 (1988)
Projected traffic18,262 by 2040
Trucks1%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

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$500,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was I495 Ramp C over Ramp Cc built?

It was built in 1985, making it 40 years old in 2025.

What condition is I495 Ramp C over Ramp Cc 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 July 2023.

How much traffic does I495 Ramp C over Ramp Cc carry?

About 8,000 vehicles per day (1988 count), of which roughly 1% are trucks.

How long is I495 Ramp C over Ramp Cc?

The structure is 104 ft (31.7 m) long with a longest span of 104 ft (31.7 m) and a deck 32 ft wide.

Who owns I495 Ramp C over Ramp Cc?

It is owned by the State Highway Agency.