US Bridges

Franconia Road over RTE.789-LOISDALE Road

Good

Fairfax County, Virginia · 00.50FR617/00.20TO2677 · Structure no. 000000000025858

Built
2001
24 years old
Condition
Good
inspected February 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
161 ft
1 main span
Daily traffic
56,936
2022 count
Owner
State
State Highway Agency

About this bridge

Franconia Road over RTE.789-LOISDALE Road is a steel stringer/multi-beam or girder carrying Franconia Road over RTE.789-LOISDALE Road 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 56,936 vehicles a day, roughly 2% of them trucks, projected to reach 83,127 by 2042. The structure is 161 ft (49.1 m) long and 80 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesFranconia Road
CrossesRTE.789-LOISDALE Road
Location00.50FR617/00.20TO2677
RouteCounty Highway 644
CountyFairfax County
StateVirginia
Coordinates38.77816, -77.17651
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 inspectionFebruary 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 alignment8: Equal to present desirable criteria
Operating rating77.2 US tons
Inventory rating59.6 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length161 ft (49.1 m)
Longest span161 ft (49.1 m)
Deck width80 ft (24.4 m)
Roadway width75 ft (22.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic56,936 (2022)
Projected traffic83,127 by 2042
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 proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$420 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was Franconia Road over RTE.789-LOISDALE Road built?

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

What condition is Franconia Road over RTE.789-LOISDALE Road 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 February 2024.

How much traffic does Franconia Road over RTE.789-LOISDALE Road carry?

About 56,936 vehicles per day (2022 count), of which roughly 2% are trucks.

How long is Franconia Road over RTE.789-LOISDALE Road?

The structure is 161 ft (49.1 m) long with a longest span of 161 ft (49.1 m) and a deck 80 ft wide.

Who owns Franconia Road over RTE.789-LOISDALE Road?

It is owned by the State Highway Agency.