US Bridges

Custis Mem. Pkwy. over Four Mile Run

Fair

Arlington County, Virginia · 0.2FR693/1.65TO RTE 7 · Structure no. 000000000000205

Built
1982
43 years old
Condition
Fair
inspected May 2023
Type
Culvert
Concrete
Length
51 ft
3 main spans
Daily traffic
121,221
2022 count
Owner
State
State Highway Agency

About this bridge

Custis Mem. Pkwy. over Four Mile Run is a concrete culvert carrying Custis Mem. Pkwy. over Four Mile Run in Arlington County, Virginia. It was built in 1982, so it is 43 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 121,221 vehicles a day, roughly 1% of them trucks, projected to reach 135,161 by 2045. The structure is 51 ft (15.5 m) long. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
CarriesCustis Mem. Pkwy.
CrossesFour Mile Run
Location0.2FR693/1.65TO RTE 7
RouteInterstate 66
CountyArlington County
StateVirginia
Coordinates38.89304, -77.16834
Functional classUrban 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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2023
Inspection intervalevery 23 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating49.1 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20
Structure length51 ft (15.5 m)
Longest span18 ft (5.5 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic121,221 (2022)
Projected traffic135,161 by 2045
Trucks1%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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$4 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Custis Mem. Pkwy. over Four Mile Run built?

It was built in 1982, making it 43 years old in 2025.

What condition is Custis Mem. Pkwy. over Four Mile 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 May 2023.

How much traffic does Custis Mem. Pkwy. over Four Mile Run carry?

About 121,221 vehicles per day (2022 count), of which roughly 1% are trucks.

How long is Custis Mem. Pkwy. over Four Mile Run?

The structure is 51 ft (15.5 m) long with a longest span of 18 ft (5.5 m).

Who owns Custis Mem. Pkwy. over Four Mile Run?

It is owned by the State Highway Agency.