US Bridges

Commerce St. over Ramp from 644W to I-95N

Good

Fairfax County, Virginia · 00.25FR617/00.40TO644 · Structure no. 000000000025862

Built
2001
24 years old
Condition
Good
inspected January 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
84 ft
1 main span
Daily traffic
20,499
2022 count
Owner
State
State Highway Agency

About this bridge

Commerce St. over Ramp from 644W to I-95N is a steel stringer/multi-beam or girder carrying Commerce St. over Ramp from 644W to I-95N in Fairfax County, Virginia. It was built in 2001, so it is 24 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 20,499 vehicles a day, roughly 1% of them trucks, projected to reach 25,936 by 2042. The structure is 84 ft (25.6 m) long and 96 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesCommerce St.
CrossesRamp from 644W to I-95N
Location00.25FR617/00.40TO644
RouteCounty Highway 789
CountyFairfax County
StateVirginia
Coordinates38.78117, -77.17873
Functional classUrban Minor Arterial

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 inspectionJanuary 2024
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 alignment7: Better than present minimum criteria
Operating rating75 US tons
Inventory rating57.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length84 ft (25.6 m)
Longest span84 ft (25.6 m)
Deck width96 ft (29.4 m)
Roadway width80 ft (24.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20,499 (2022)
Projected traffic25,936 by 2042
Trucks1%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

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$150 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was Commerce St. over Ramp from 644W to I-95N built?

It was built in 2001, making it 24 years old in 2025.

What condition is Commerce St. over Ramp from 644W to I-95N 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 January 2024.

How much traffic does Commerce St. over Ramp from 644W to I-95N carry?

About 20,499 vehicles per day (2022 count), of which roughly 1% are trucks.

How long is Commerce St. over Ramp from 644W to I-95N?

The structure is 84 ft (25.6 m) long with a longest span of 84 ft (25.6 m) and a deck 96 ft wide.

Who owns Commerce St. over Ramp from 644W to I-95N?

It is owned by the State Highway Agency.