US Bridges

Jermantown Road over I-66

Good

Fairfax County, Virginia · 00.85 FR 50 0.71 to 123 · Structure no. 000000000030948

Built
2021
4 years old
Condition
Good
inspected April 2023
Type
Stringer/Multi-beam or Girder
Concrete
Length
403 ft
1 main span
Daily traffic
16,314
2022 count
Owner
State
State Highway Agency

About this bridge

Jermantown Road over I-66 is a concrete stringer/multi-beam or girder carrying Jermantown Road over I-66 in Fairfax County, Virginia. It was built in 2021, so it is 4 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 16,314 vehicles a day, projected to reach 21,730 by 2045. The structure is 403 ft (122.8 m) long and 95 ft wide.

Location

Open in Google Maps
CarriesJermantown Road
CrossesI-66
Location00.85 FR 50 0.71 to 123
RouteCounty Highway 655
CountyFairfax County
StateVirginia
Coordinates38.86636, -77.3221
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment6: Equal to present minimum criteria
Operating rating75 US tons
Inventory rating57.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length403 ft (122.8 m)
Longest span403 ft (122.8 m)
Deck width95 ft (29 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deck99 ft (30.2 m)

Traffic and service

Average daily traffic16,314 (2022)
Projected traffic21,730 by 2045
Trucks0%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway and railroad
Detour if closed—
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 Jermantown Road over I-66 built?

It was built in 2021, making it 4 years old in 2025.

What condition is Jermantown Road over I-66 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 Jermantown Road over I-66 carry?

About 16,314 vehicles per day (2022 count).

How long is Jermantown Road over I-66?

The structure is 403 ft (122.8 m) long with a longest span of 403 ft (122.8 m) and a deck 95 ft wide.

Who owns Jermantown Road over I-66?

It is owned by the State Highway Agency.