US Bridges

Is 95 NB over Patuxent River

Fair

Prince George's County, Maryland · On Howard CO Line · Structure no. 100000160197011

Built
1971
54 years old, rebuilt 1974
Condition
Fair
inspected August 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
515 ft
3 main spans
Daily traffic
186,040
2009 count
Owner
State
State Highway Agency

About this bridge

Is 95 NB over Patuxent River is a steel continuous stringer/multi-beam or girder carrying Is 95 NB over Patuxent River in Prince George's County, Maryland. It was built in 1971 and reconstructed in 1974, so it is 54 years old, older 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 5 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 186,040 vehicles a day, roughly 8% of them trucks, projected to reach 96,730 by 2026. The structure is 515 ft (157 m) long and 71 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesIs 95 NB
CrossesPatuxent River
LocationOn Howard CO Line
RouteInterstate 95
Coordinates39.11464, -76.87387
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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionAugust 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length515 ft (157 m)
Longest span180 ft (54.9 m)
Deck width71 ft (21.6 m)
Roadway width68 ft (20.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic186,040 (2009)
Projected traffic96,730 by 2026
Trucks8%
Lanes on structure4
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
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$2.4 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Is 95 NB over Patuxent River built?

It was built in 1971, making it 54 years old in 2025. It was reconstructed in 1974.

What condition is Is 95 NB over Patuxent 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 August 2024.

How much traffic does Is 95 NB over Patuxent River carry?

About 186,040 vehicles per day (2009 count), of which roughly 8% are trucks.

How long is Is 95 NB over Patuxent River?

The structure is 515 ft (157 m) long with a longest span of 180 ft (54.9 m) and a deck 71 ft wide.

Who owns Is 95 NB over Patuxent River?

It is owned by the State Highway Agency.