US Bridges

Is 595 over Patuxent River Road

Fair

Anne Arundel County, Maryland · 0.80 MI E of Pg CO Line · Structure no. 100000020027010

Built
1950
75 years old, rebuilt 1994
Condition
Fair
inspected March 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
49 ft
1 main span
Daily traffic
81,102
2009 count
Owner
State
State Highway Agency

About this bridge

Is 595 over Patuxent River Road is a steel stringer/multi-beam or girder carrying Is 595 over Patuxent River Road in Anne Arundel County, Maryland. It was built in 1950 and reconstructed in 1994, so it is 75 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 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 81,102 vehicles a day, roughly 7% of them trucks, projected to reach 111,102 by 2029. The structure is 49 ft (14.9 m) long and 158 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesIs 595
CrossesPatuxent River Road
Location0.80 MI E of Pg CO Line
RouteInterstate 595
Coordinates38.95588, -76.67926
Functional classRural 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 inspectionMarch 2024
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 rating110.1 US tons
Inventory rating74 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length49 ft (14.9 m)
Longest span45 ft (13.7 m)
Deck width158 ft (48.2 m)
Roadway width151 ft (46.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic81,102 (2009)
Projected traffic111,102 by 2029
Trucks7%
Lanes on structure6
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 proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Is 595 over Patuxent River Road built?

It was built in 1950, making it 75 years old in 2025. It was reconstructed in 1994.

What condition is Is 595 over Patuxent River Road 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 March 2024.

How much traffic does Is 595 over Patuxent River Road carry?

About 81,102 vehicles per day (2009 count), of which roughly 7% are trucks.

How long is Is 595 over Patuxent River Road?

The structure is 49 ft (14.9 m) long with a longest span of 45 ft (13.7 m) and a deck 158 ft wide.

Who owns Is 595 over Patuxent River Road?

It is owned by the State Highway Agency.