US Bridges

Antioch Road over Route I-66

Fair

Prince William County, Virginia · 00.10 55 / 01.35 682 · Structure no. 000000000014366

Built
1979
46 years old
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
264 ft
2 main spans
Daily traffic
2,931
2020 count
Owner
State
State Highway Agency

About this bridge

Antioch Road over Route I-66 is a steel stringer/multi-beam or girder carrying Antioch Road over Route I-66 in Prince William County, Virginia. It was built in 1979, so it is 46 years old, younger than the Virginia average of 50.7 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 2,931 vehicles a day, projected to reach 3,224 by 2040. The structure is 264 ft (80.5 m) long and 32 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesAntioch Road
CrossesRoute I-66
Location00.10 55 / 01.35 682
RouteCounty Highway 681
CountyPrince William County
StateVirginia
Coordinates38.82104, -77.65804
Functional classUrban Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating62.2 US tons
Inventory rating48 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length264 ft (80.5 m)
Longest span132 ft (40.2 m)
Deck width32 ft (9.9 m)
Roadway width29 ft (8.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,931 (2020)
Projected traffic3,224 by 2040
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed3.7 mi (6 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$200 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was Antioch Road over Route I-66 built?

It was built in 1979, making it 46 years old in 2025.

What condition is Antioch Road over Route I-66 in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in October 2023.

How much traffic does Antioch Road over Route I-66 carry?

About 2,931 vehicles per day (2020 count).

How long is Antioch Road over Route I-66?

The structure is 264 ft (80.5 m) long with a longest span of 132 ft (40.2 m) and a deck 32 ft wide.

Who owns Antioch Road over Route I-66?

It is owned by the State Highway Agency.