US Bridges

Ramp Ok-S over Grade Crossing

Good

Fairfax County, Virginia · 00.20FR644EB/00.40TO7900 · Structure no. 000000000025863

Built
1999
26 years old
Condition
Good
inspected October 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
269 ft
2 main spans
Daily traffic
26,000
2014 count
Owner
State
State Highway Agency

About this bridge

Ramp Ok-S over Grade Crossing is a steel stringer/multi-beam or girder carrying Ramp Ok-S over Grade Crossing in Fairfax County, Virginia. It was built in 1999, so it is 26 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 26,000 vehicles a day, roughly 3% of them trucks, projected to reach 36,000 by 2042. The structure is 269 ft (82 m) long and 32 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesRamp Ok-S
CrossesGrade Crossing
Location00.20FR644EB/00.40TO7900
RouteInterstate 644
CountyFairfax County
StateVirginia
Coordinates38.77682, -77.18209
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 inspectionOctober 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 rating46.6 US tons
Inventory rating35.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans2
Design loadHL 93
Structure length269 ft (82 m)
Longest span156 ft (47.5 m)
Deck width32 ft (9.8 m)
Roadway width29 ft (8.8 m)
Vertical clearance over deck17 ft (5.3 m)

Traffic and service

Average daily traffic26,000 (2014)
Projected traffic36,000 by 2042
Trucks3%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesOther
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$2.5 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was Ramp Ok-S over Grade Crossing built?

It was built in 1999, making it 26 years old in 2025.

What condition is Ramp Ok-S over Grade Crossing 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 October 2023.

How much traffic does Ramp Ok-S over Grade Crossing carry?

About 26,000 vehicles per day (2014 count), of which roughly 3% are trucks.

How long is Ramp Ok-S over Grade Crossing?

The structure is 269 ft (82 m) long with a longest span of 156 ft (47.5 m) and a deck 32 ft wide.

Who owns Ramp Ok-S over Grade Crossing?

It is owned by the State Highway Agency.