US Bridges

Lawyers Road over Difficult Run

Fair

Fairfax County, Virginia · .05 FR 7490 & .50 to 674 · Structure no. 000000000006827

Built
1985
40 years old
Condition
Fair
inspected January 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
185 ft
3 main spans
Daily traffic
9,500
2022 count
Owner
State
State Highway Agency

About this bridge

Lawyers Road over Difficult Run is a steel stringer/multi-beam or girder carrying Lawyers Road over Difficult Run in Fairfax County, Virginia. It was built in 1985, so it is 40 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 9,500 vehicles a day, projected to reach 10,829 by 2045. The structure is 185 ft (56.4 m) long and 42 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesLawyers Road
CrossesDifficult Run
Location.05 FR 7490 & .50 to 674
RouteCounty Highway 673
CountyFairfax County
StateVirginia
Coordinates38.92353, -77.31232
Functional classUrban Minor Arterial

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJanuary 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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating77.1 US tons
Inventory rating59.4 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length185 ft (56.4 m)
Longest span62 ft (18.9 m)
Deck width42 ft (12.7 m)
Roadway width38 ft (11.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,500 (2022)
Projected traffic10,829 by 2045
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$205 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Lawyers Road over Difficult Run built?

It was built in 1985, making it 40 years old in 2025.

What condition is Lawyers Road over Difficult 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 January 2023.

How much traffic does Lawyers Road over Difficult Run carry?

About 9,500 vehicles per day (2022 count).

How long is Lawyers Road over Difficult Run?

The structure is 185 ft (56.4 m) long with a longest span of 62 ft (18.9 m) and a deck 42 ft wide.

Who owns Lawyers Road over Difficult Run?

It is owned by the State Highway Agency.