US Bridges

I-66 Wbl over RTE 688

Fair

Fauquier County, Virginia · 4.48 Warrn Cl; 3.10 to 55 · Structure no. 000000000007206

Built
1978
47 years old
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
151 ft
3 main spans
Daily traffic
18,999
2022 count
Owner
State
State Highway Agency

About this bridge

I-66 Wbl over RTE 688 is a prestressed concrete stringer/multi-beam or girder carrying I-66 Wbl over RTE 688 in Fauquier County, Virginia. It was built in 1978, so it is 47 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 5 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 18,999 vehicles a day, roughly 1% of them trucks, projected to reach 27,739 by 2042. The structure is 151 ft (45.9 m) long and 44 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesI-66 Wbl
CrossesRTE 688
Location4.48 Warrn Cl; 3.10 to 55
RouteInterstate 66
CountyFauquier County
StateVirginia
Coordinates38.90739, -77.99814
Functional classRural Principal Arterial - Interstate

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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating93 US tons
Inventory rating53 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length151 ft (45.9 m)
Longest span69 ft (21 m)
Deck width44 ft (13.4 m)
Roadway width41 ft (12.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic18,999 (2022)
Projected traffic27,739 by 2042
Trucks1%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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—
NavigationNo navigation control on waterway

Frequently asked questions

When was I-66 Wbl over RTE 688 built?

It was built in 1978, making it 47 years old in 2025.

What condition is I-66 Wbl over RTE 688 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 2024.

How much traffic does I-66 Wbl over RTE 688 carry?

About 18,999 vehicles per day (2022 count), of which roughly 1% are trucks.

How long is I-66 Wbl over RTE 688?

The structure is 151 ft (45.9 m) long with a longest span of 69 ft (21 m) and a deck 44 ft wide.

Who owns I-66 Wbl over RTE 688?

It is owned by the State Highway Agency.