US Bridges

Route I-395 Nbl over Fern Street Ext

Fair

Arlington County, Virginia · 00.37 27 / 00.93 14 ST Br · Structure no. 000000000000311

Built
1976
49 years old
Condition
Fair
inspected April 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
153 ft
2 main spans
Daily traffic
47,453
2022 count
Owner
State
State Highway Agency

About this bridge

Route I-395 Nbl over Fern Street Ext is a steel stringer/multi-beam or girder carrying Route I-395 Nbl over Fern Street Ext in Arlington County, Virginia. It was built in 1976, so it is 49 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 47,453 vehicles a day, roughly 1% of them trucks, projected to reach 52,910 by 2042. The structure is 153 ft (46.6 m) long and 71 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesRoute I-395 Nbl
CrossesFern Street Ext
Location00.37 27 / 00.93 14 ST Br
RouteInterstate 395
Coordinates38.86591, -77.05669
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.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating70.1 US tons
Inventory rating54.1 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length153 ft (46.6 m)
Longest span76 ft (23.2 m)
Deck width71 ft (21.6 m)
Roadway width65 ft (19.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic47,453 (2022)
Projected traffic52,910 by 2042
Trucks1%
Lanes on structure4
Traffic directionOne-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed3.7 mi (6 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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost$20 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was Route I-395 Nbl over Fern Street Ext built?

It was built in 1976, making it 49 years old in 2025.

What condition is Route I-395 Nbl over Fern Street Ext 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 April 2024.

How much traffic does Route I-395 Nbl over Fern Street Ext carry?

About 47,453 vehicles per day (2022 count), of which roughly 1% are trucks.

How long is Route I-395 Nbl over Fern Street Ext?

The structure is 153 ft (46.6 m) long with a longest span of 76 ft (23.2 m) and a deck 71 ft wide.

Who owns Route I-395 Nbl over Fern Street Ext?

It is owned by the State Highway Agency.