US Bridges

Great Falls St. over I-66 & Metro

Fair

Fairfax County, Virginia · 00.05FR7542/00.05TO1752 · Structure no. 000000000006853

Built
1981
44 years old
Condition
Fair
inspected February 2025
Type
Stringer/Multi-beam or Girder
Steel
Length
410 ft
5 main spans
Daily traffic
8,300
2023 count
Owner
State
State Highway Agency

About this bridge

Great Falls St. over I-66 & Metro is a steel stringer/multi-beam or girder carrying Great Falls St. over I-66 & Metro in Fairfax County, Virginia. It was built in 1981, so it is 44 years old, younger than the Virginia average of 50.7 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 8,300 vehicles a day, roughly 2% of them trucks, projected to reach 11,003 by 2045. The structure is 410 ft (125 m) long and 60 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesGreat Falls St.
CrossesI-66 & Metro
Location00.05FR7542/00.05TO1752
RouteCounty Highway 694
CountyFairfax County
StateVirginia
Coordinates38.89874, -77.17845
Functional classUrban Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2025
Inspection intervalevery 23 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment8: Equal to present desirable criteria
Operating rating88.3 US tons
Inventory rating68.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length410 ft (125 m)
Longest span129 ft (39.3 m)
Deck width60 ft (18.3 m)
Roadway width48 ft (14.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,300 (2023)
Projected traffic11,003 by 2045
Trucks2%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 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$446.6 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was Great Falls St. over I-66 & Metro built?

It was built in 1981, making it 44 years old in 2025.

What condition is Great Falls St. over I-66 & Metro in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in February 2025.

How much traffic does Great Falls St. over I-66 & Metro carry?

About 8,300 vehicles per day (2023 count), of which roughly 2% are trucks.

How long is Great Falls St. over I-66 & Metro?

The structure is 410 ft (125 m) long with a longest span of 129 ft (39.3 m) and a deck 60 ft wide.

Who owns Great Falls St. over I-66 & Metro?

It is owned by the State Highway Agency.