US Bridges

Furnace Road over Greenway Trail & Underpa

Good

Fairfax County, Virginia · 00.10FR642 00.50TO636 · Structure no. 000000000029831

Built
2015
10 years old
Condition
Good
inspected April 2023
Type
Arch - Deck
Concrete
Length
30 ft
1 main span
Daily traffic
12,258
2022 count
Owner
State
State Highway Agency

About this bridge

Furnace Road over Greenway Trail & Underpa is a concrete arch - deck carrying Furnace Road over Greenway Trail & Underpa in Fairfax County, Virginia. It was built in 2015, so it is 10 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 12,258 vehicles a day, roughly 1% of them trucks, projected to reach 17,897 by 2045. The structure is 30 ft (9 m) long and 170 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesFurnace Road
CrossesGreenway Trail & Underpa
Location00.10FR642 00.50TO636
RouteCounty Highway 611
Coordinates38.70484, -77.24806
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
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment7: Better than present minimum criteria
Operating rating87.2 US tons
Inventory rating67.4 US tons

Structure

Structure typeArch - Deck
MaterialConcrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length30 ft (9 m)
Longest span28 ft (8.5 m)
Deck width170 ft (51.8 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deck99 ft (30.2 m)

Traffic and service

Average daily traffic12,258 (2022)
Projected traffic17,897 by 2045
Trucks1%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway
CrossesPedestrian / bicycle
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 proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Furnace Road over Greenway Trail & Underpa built?

It was built in 2015, making it 10 years old in 2025.

What condition is Furnace Road over Greenway Trail & Underpa 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 April 2023.

How much traffic does Furnace Road over Greenway Trail & Underpa carry?

About 12,258 vehicles per day (2022 count), of which roughly 1% are trucks.

How long is Furnace Road over Greenway Trail & Underpa?

The structure is 30 ft (9 m) long with a longest span of 28 ft (8.5 m) and a deck 170 ft wide.

Who owns Furnace Road over Greenway Trail & Underpa?

It is owned by the State Highway Agency.