US Bridges

MCB-8 over Lucky Run

Fair

Prince William County, Virginia · 10.0 Meters West of MCB-1 · Structure no. 2VA00DD

Built
1947
78 years old, rebuilt 1994
Condition
Fair
inspected September 2023
Type
Slab
Prestressed Concrete
Length
26 ft
1 main span
Daily traffic
500
2015 count
Owner
Federal
Navy / Marines

About this bridge

MCB-8 over Lucky Run is a prestressed concrete slab carrying MCB-8 over Lucky Run in Prince William County, Virginia. It was built in 1947 and reconstructed in 1994, so it is 78 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 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 500 vehicles a day, roughly 10% of them trucks, projected to reach 600 by 2043. The structure is 26 ft (8 m) long and 28 ft wide. If it were closed, the detour would be 7.5 mi (12 km).

CarriesMCB-8
CrossesLucky Run
Location10.0 Meters West of MCB-1
Coordinates38.61245, -77.52279
Functional classRural Local

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating110.1 US tons
Inventory rating52.8 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20 + Mod
Structure length26 ft (8 m)
Longest span26 ft (8 m)
Deck width28 ft (8.5 m)
Roadway width25 ft (7.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic500 (2015)
Projected traffic600 by 2043
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed7.5 mi (12 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerNavy / Marines
Maintained byNavy / Marines
Historic statusNot eligible for the National Register of Historic Places
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$57,000 (2023 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was MCB-8 over Lucky Run built?

It was built in 1947, making it 78 years old in 2025. It was reconstructed in 1994.

What condition is MCB-8 over Lucky 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 September 2023.

How much traffic does MCB-8 over Lucky Run carry?

About 500 vehicles per day (2015 count), of which roughly 10% are trucks.

How long is MCB-8 over Lucky Run?

The structure is 26 ft (8 m) long with a longest span of 26 ft (8 m) and a deck 28 ft wide.

Who owns MCB-8 over Lucky Run?

It is owned by the Navy / Marines.