US Bridges

Mt Vernon Memorial over Dogue Creek

Fair

Fairfax County, Virginia · 00.47 1169 / 00.37 1 · Structure no. 000000000006482

Built
1932
93 years old
Condition
Fair
inspected March 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
152 ft
4 main spans
Daily traffic
11,607
2022 count
Owner
State
State Highway Agency

About this bridge

Mt Vernon Memorial over Dogue Creek is a steel stringer/multi-beam or girder carrying Mt Vernon Memorial over Dogue Creek in Fairfax County, Virginia. It was built in 1932, so it is 93 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 11,607 vehicles a day, roughly 2% of them trucks, projected to reach 13,140 by 2045. The structure is 152 ft (46.3 m) long and 38 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesMt Vernon Memorial
CrossesDogue Creek
Location00.47 1169 / 00.37 1
RouteState Highway 235
CountyFairfax County
StateVirginia
Coordinates38.71208, -77.12986
Functional classUrban Other Principal 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
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 inspectionMarch 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 adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment7: Better than present minimum criteria
Operating rating47 US tons
Inventory rating37 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length152 ft (46.3 m)
Longest span38 ft (11.6 m)
Deck width38 ft (11.5 m)
Roadway width34 ft (10.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,607 (2022)
Projected traffic13,140 by 2045
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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$150 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Mt Vernon Memorial over Dogue Creek built?

It was built in 1932, making it 93 years old in 2025.

What condition is Mt Vernon Memorial over Dogue Creek 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 Mt Vernon Memorial over Dogue Creek carry?

About 11,607 vehicles per day (2022 count), of which roughly 2% are trucks.

How long is Mt Vernon Memorial over Dogue Creek?

The structure is 152 ft (46.3 m) long with a longest span of 38 ft (11.6 m) and a deck 38 ft wide.

Who owns Mt Vernon Memorial over Dogue Creek?

It is owned by the State Highway Agency.