US Bridges

I-66 over Molly Booth Run

Fair

Warren County, Virginia · 1.75 Fred Co- 4.77 to 340 · Structure no. 000000000018709

Built
1970
55 years old
Condition
Fair
inspected March 2023
Type
Culvert
Concrete
Length
24 ft
3 main spans
Daily traffic
34,901
2022 count
Owner
State
State Highway Agency

About this bridge

I-66 over Molly Booth Run is a concrete culvert carrying I-66 over Molly Booth Run in Warren County, Virginia. It was built in 1970, so it is 55 years old, older 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 34,901 vehicles a day, roughly 1% of them trucks, projected to reach 38,915 by 2045. The structure is 24 ft (7.3 m) long. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesI-66
CrossesMolly Booth Run
Location1.75 Fred Co- 4.77 to 340
RouteInterstate 66
CountyWarren County
StateVirginia
Coordinates38.99713, -78.26762
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
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating98 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20
Structure length24 ft (7.3 m)
Longest span7 ft (2.1 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic34,901 (2022)
Projected traffic38,915 by 2045
Trucks1%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$17 million
NavigationNo navigation control on waterway

Frequently asked questions

When was I-66 over Molly Booth Run built?

It was built in 1970, making it 55 years old in 2025.

What condition is I-66 over Molly Booth Run 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 March 2023.

How much traffic does I-66 over Molly Booth Run carry?

About 34,901 vehicles per day (2022 count), of which roughly 1% are trucks.

How long is I-66 over Molly Booth Run?

The structure is 24 ft (7.3 m) long with a longest span of 7 ft (2.1 m).

Who owns I-66 over Molly Booth Run?

It is owned by the State Highway Agency.