US Bridges

Nbl Route 0395 over Four Mile Run

Fair

Arlington County, Virginia · 01.20FR7/00.2TO 120 · Structure no. 000000000019960

Built
1973
52 years old
Condition
Fair
inspected January 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
115 ft
2 main spans
Daily traffic
87,756
2022 count
Owner
State
State Highway Agency

About this bridge

Nbl Route 0395 over Four Mile Run is a steel stringer/multi-beam or girder carrying Nbl Route 0395 over Four Mile Run in Arlington County, Virginia. It was built in 1973, so it is 52 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 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 87,756 vehicles a day, roughly 1% of them trucks, projected to reach 89,627 by 2045. The structure is 115 ft (35.1 m) long and 75 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesNbl Route 0395
CrossesFour Mile Run
Location01.20FR7/00.2TO 120
RouteInterstate 395
Coordinates38.84298, -77.0823
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating66 US tons
Inventory rating51 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length115 ft (35.1 m)
Longest span57 ft (17.4 m)
Deck width75 ft (23 m)
Roadway width72 ft (21.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic87,756 (2022)
Projected traffic89,627 by 2045
Trucks1%
Lanes on structure5
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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$125 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Nbl Route 0395 over Four Mile Run built?

It was built in 1973, making it 52 years old in 2025.

What condition is Nbl Route 0395 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 January 2023.

How much traffic does Nbl Route 0395 over Four Mile Run carry?

About 87,756 vehicles per day (2022 count), of which roughly 1% are trucks.

How long is Nbl Route 0395 over Four Mile Run?

The structure is 115 ft (35.1 m) long with a longest span of 57 ft (17.4 m) and a deck 75 ft wide.

Who owns Nbl Route 0395 over Four Mile Run?

It is owned by the State Highway Agency.