US Bridges

Route 28 NB over I-66 & 28

Good

Fairfax County, Virginia · 1.45FR645 0.20TO28 NB · Structure no. 000000000031057

Built
2022
3 years old
Condition
Good
inspected May 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
707 ft
5 main spans
Daily traffic
15,000
2021 count
Owner
State
State Highway Agency

About this bridge

Route 28 NB over I-66 & 28 is a steel continuous stringer/multi-beam or girder carrying Route 28 NB over I-66 & 28 in Fairfax County, Virginia. It was built in 2022, so it is 3 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 15,000 vehicles a day, roughly 1% of them trucks, projected to reach 16,491 by 2040. The structure is 707 ft (215.5 m) long and 46 ft wide.

Location

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CarriesRoute 28 NB
CrossesI-66 & 28
Location1.45FR645 0.20TO28 NB
RouteInterstate 28
CountyFairfax County
StateVirginia
Coordinates38.8475, -77.43242
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck9 ExcellentNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating74.2 US tons
Inventory rating57.2 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadHL 93
Structure length707 ft (215.5 m)
Longest span183 ft (55.8 m)
Deck width46 ft (14 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deck99 ft (30.2 m)

Traffic and service

Average daily traffic15,000 (2021)
Projected traffic16,491 by 2040
Trucks1%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
TollOn a toll road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byPrivate (other than railroad)
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 Route 28 NB over I-66 & 28 built?

It was built in 2022, making it 3 years old in 2025.

What condition is Route 28 NB over I-66 & 28 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 May 2023.

How much traffic does Route 28 NB over I-66 & 28 carry?

About 15,000 vehicles per day (2021 count), of which roughly 1% are trucks.

How long is Route 28 NB over I-66 & 28?

The structure is 707 ft (215.5 m) long with a longest span of 183 ft (55.8 m) and a deck 46 ft wide.

Who owns Route 28 NB over I-66 & 28?

It is owned by the State Highway Agency and maintained by the Private (other than railroad).