US Bridges

Custis Mem.Pk I66 over Lee Highway_rte 29

Fair

Arlington County, Virginia · 01.28FR120 00.87TO29N · Structure no. 000000000000185

Built
1981
44 years old
Condition
Fair
inspected September 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
265 ft
3 main spans
Daily traffic
82,000
2022 count
Owner
State
State Highway Agency

About this bridge

Custis Mem.Pk I66 over Lee Highway_rte 29 is a steel stringer/multi-beam or girder carrying Custis Mem.Pk I66 over Lee Highway_rte 29 in Arlington County, Virginia. It was built in 1981, so it is 44 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 82,000 vehicles a day, roughly 1% of them trucks, projected to reach 91,430 by 2045. The structure is 265 ft (80.8 m) long and 93 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesCustis Mem.Pk I66
CrossesLee Highway_rte 29
Location01.28FR120 00.87TO29N
RouteInterstate 66
CountyArlington County
StateVirginia
Coordinates38.89582, -77.09904
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating72 US tons
Inventory rating55 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length265 ft (80.8 m)
Longest span147 ft (44.8 m)
Deck width93 ft (28.4 m)
Roadway width88 ft (26.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic82,000 (2022)
Projected traffic91,430 by 2045
Trucks1%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 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$300 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was Custis Mem.Pk I66 over Lee Highway_rte 29 built?

It was built in 1981, making it 44 years old in 2025.

What condition is Custis Mem.Pk I66 over Lee Highway_rte 29 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 Custis Mem.Pk I66 over Lee Highway_rte 29 carry?

About 82,000 vehicles per day (2022 count), of which roughly 1% are trucks.

How long is Custis Mem.Pk I66 over Lee Highway_rte 29?

The structure is 265 ft (80.8 m) long with a longest span of 147 ft (44.8 m) and a deck 93 ft wide.

Who owns Custis Mem.Pk I66 over Lee Highway_rte 29?

It is owned by the State Highway Agency.