US Bridges

Is 95/IS 495 over Potomac River

Fair

Prince George's County, Maryland · On Virginia Line · Structure no. 100000160173015

Built
2008
17 years old
Condition
Fair
inspected February 2025
Type
Movable - Bascule
Steel
Length
6,087 ft
3 main spans
Daily traffic
135,287
2019 count
Owner
State
State Highway Agency

About this bridge

Is 95/IS 495 over Potomac River is a steel movable - bascule carrying Is 95/IS 495 over Potomac River in Prince George's County, Maryland. It was built in 2008, so it is 17 years old, younger than the Maryland average of 52.6 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 135,287 vehicles a day, roughly 8% of them trucks, projected to reach 165,050 by 2041. The structure is 6,087 ft (1,855.3 m) long and 124 ft wide. If it were closed, the detour would be 62.8 mi (101 km).

Location

Open in Google Maps
CarriesIs 95/IS 495
CrossesPotomac River
LocationOn Virginia Line
RouteInterstate 95
CountyPrince George's County
StateMaryland
Coordinates38.79344, -77.02512
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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry8: Equal to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating69.4 US tons
Inventory rating41.4 US tons

Structure

Structure typeMovable - Bascule
MaterialSteel
DeckConcrete, cast-in-place
Main spans3 (+32 approach)
Design loadHS 25 or greater
Structure length6,087 ft (1,855.3 m)
Longest span270 ft (82.3 m)
Deck width124 ft (37.7 m)
Roadway width104 ft (31.7 m)
Vertical clearance over deck17 ft (5.2 m)

Traffic and service

Average daily traffic135,287 (2019)
Projected traffic165,050 by 2041
Trucks8%
Lanes on structure5
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed62.8 mi (101 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 proposedNone recorded
Estimated improvement cost—
NavigationNavigation control on waterway (bridge permit required)

Frequently asked questions

When was Is 95/IS 495 over Potomac River built?

It was built in 2008, making it 17 years old in 2025.

What condition is Is 95/IS 495 over Potomac River 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 February 2025.

How much traffic does Is 95/IS 495 over Potomac River carry?

About 135,287 vehicles per day (2019 count), of which roughly 8% are trucks.

How long is Is 95/IS 495 over Potomac River?

The structure is 6,087 ft (1,855.3 m) long with a longest span of 270 ft (82.3 m) and a deck 124 ft wide.

Who owns Is 95/IS 495 over Potomac River?

It is owned by the State Highway Agency.