US Bridges

WB Hirst Brault over Magarity Rd. (rte. 650)

Fair

Fairfax County, Virginia · 01.82FR66/00.52TO123 · Structure no. 000000000006497

Built
1983
42 years old
Condition
Fair
inspected March 2024
Type
Box Beam or Girders - Single or Spread
Concrete
Length
120 ft
1 main span
Daily traffic
13,962
2022 count
Owner
State
State Highway Agency

About this bridge

WB Hirst Brault over Magarity Rd. (rte. 650) is a concrete box beam or girders - single or spread carrying WB Hirst Brault over Magarity Rd. (rte. 650) in Fairfax County, Virginia. It was built in 1983, so it is 42 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 13,962 vehicles a day, projected to reach 15,568 by 2042. The structure is 120 ft (36.6 m) long and 55 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesWB Hirst Brault
CrossesMagarity Rd. (rte. 650)
Location01.82FR66/00.52TO123
RouteState Highway 267
CountyFairfax County
StateVirginia
Coordinates38.92374, -77.19642
Functional classUrban Principal Arterial - Other Freeway or Expressway

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.
Substructure7 GoodSome minor problems.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating76.1 US tons
Inventory rating55.7 US tons

Structure

Structure typeBox Beam or Girders - Single or Spread
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length120 ft (36.6 m)
Longest span120 ft (36.6 m)
Deck width55 ft (16.9 m)
Roadway width52 ft (16 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic13,962 (2022)
Projected traffic15,568 by 2042
Trucks0%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

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$15 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was WB Hirst Brault over Magarity Rd. (rte. 650) built?

It was built in 1983, making it 42 years old in 2025.

What condition is WB Hirst Brault over Magarity Rd. (rte. 650) 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 2024.

How much traffic does WB Hirst Brault over Magarity Rd. (rte. 650) carry?

About 13,962 vehicles per day (2022 count).

How long is WB Hirst Brault over Magarity Rd. (rte. 650)?

The structure is 120 ft (36.6 m) long with a longest span of 120 ft (36.6 m) and a deck 55 ft wide.

Who owns WB Hirst Brault over Magarity Rd. (rte. 650)?

It is owned by the State Highway Agency.