US Bridges

Ramp I to RTE.1 over Cameron Run

Good

Fairfax County, Virginia · 01.58FR EISEN/0.20TO 1 · Structure no. 000000000027082

Built
2005
20 years old
Condition
Good
inspected May 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
410 ft
4 main spans
Daily traffic
6,260
2022 count
Owner
State
State Highway Agency

About this bridge

Ramp I to RTE.1 over Cameron Run is a steel continuous stringer/multi-beam or girder carrying Ramp I to RTE.1 over Cameron Run 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 6,260 vehicles a day, roughly 3% of them trucks, projected to reach 6,980 by 2045. The structure is 410 ft (125 m) long and 37 ft wide.

Location

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CarriesRamp I to RTE.1
CrossesCameron Run
Location01.58FR EISEN/0.20TO 1
RouteInterstate 95
CountyFairfax County
StateVirginia
Coordinates38.79354, -77.05772
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.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMay 2023
Inspection intervalevery 23 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 rating54 US tons
Inventory rating41.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length410 ft (125 m)
Longest span112 ft (34.1 m)
Deck width37 ft (11.4 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deck26 ft (7.8 m)

Traffic and service

Average daily traffic6,260 (2022)
Projected traffic6,980 by 2045
Trucks3%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Ramp I to RTE.1 over Cameron Run built?

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

What condition is Ramp I to RTE.1 over Cameron Run 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 May 2023.

How much traffic does Ramp I to RTE.1 over Cameron Run carry?

About 6,260 vehicles per day (2022 count), of which roughly 3% are trucks.

How long is Ramp I to RTE.1 over Cameron Run?

The structure is 410 ft (125 m) long with a longest span of 112 ft (34.1 m) and a deck 37 ft wide.

Who owns Ramp I to RTE.1 over Cameron Run?

It is owned by the State Highway Agency.