US Bridges

Waples Mill RD over I-66

Good

Fairfax County, Virginia · 00.44FR 50 00.09TO 1019 · Structure no. 000000000030949

Built
2020
5 years old
Condition
Good
inspected May 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
325 ft
2 main spans
Daily traffic
5,696
2022 count
Owner
State
State Highway Agency

About this bridge

Waples Mill RD over I-66 is a steel stringer/multi-beam or girder carrying Waples Mill RD over I-66 in Fairfax County, Virginia. It was built in 2020, so it is 5 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 5,696 vehicles a day, roughly 1% of them trucks, projected to reach 6,351 by 2045. The structure is 325 ft (99.1 m) long and 51 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesWaples Mill RD
CrossesI-66
Location00.44FR 50 00.09TO 1019
RouteCounty Highway 665
Coordinates38.86352, -77.33649
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 inspectionMay 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 alignment7: Better than present minimum criteria
Operating rating80.5 US tons
Inventory rating62.1 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans2
Design loadHL 93
Structure length325 ft (99.1 m)
Longest span177 ft (53.9 m)
Deck width51 ft (15.5 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deck99 ft (30.2 m)

Traffic and service

Average daily traffic5,696 (2022)
Projected traffic6,351 by 2045
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed3.1 mi (5 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 Waples Mill RD over I-66 built?

It was built in 2020, making it 5 years old in 2025.

What condition is Waples Mill RD 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 May 2023.

How much traffic does Waples Mill RD over I-66 carry?

About 5,696 vehicles per day (2022 count), of which roughly 1% are trucks.

How long is Waples Mill RD over I-66?

The structure is 325 ft (99.1 m) long with a longest span of 177 ft (53.9 m) and a deck 51 ft wide.

Who owns Waples Mill RD over I-66?

It is owned by the State Highway Agency.