US Bridges

I-395 NB over Hamburg ST

Fair

Baltimore city, Maryland · Milepost 1.4 · Structure no. 300000BCWT14011

Built
1982
43 years old
Condition
Fair
inspected February 2024
Type
Box Beam or Girders - Multiple
Steel Continuous
Length
847 ft
7 main spans
Daily traffic
28,544
2019 count
Owner
Toll Authority
State Toll Authority

About this bridge

I-395 NB over Hamburg ST is a steel continuous box beam or girders - multiple carrying I-395 NB over Hamburg ST in Baltimore city, Maryland. It was built in 1982, so it is 43 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 28,544 vehicles a day, roughly 2% of them trucks, projected to reach 38,757 by 2041. The structure is 847 ft (258.2 m) long and 43 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesI-395 NB
CrossesHamburg ST
LocationMilepost 1.4
RouteInterstate 395
CountyBaltimore city
StateMaryland
Coordinates39.27749, -76.61939
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.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating73 US tons
Inventory rating43.5 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans7
Design loadHS 20
Structure length847 ft (258.2 m)
Longest span138 ft (42.1 m)
Deck width43 ft (13 m)
Roadway width39 ft (12 m)
Vertical clearance over deck17 ft (5.2 m)

Traffic and service

Average daily traffic28,544 (2019)
Projected traffic38,757 by 2041
Trucks2%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Toll Authority
Maintained byState Toll Authority
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 I-395 NB over Hamburg ST built?

It was built in 1982, making it 43 years old in 2025.

What condition is I-395 NB over Hamburg ST 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 2024.

How much traffic does I-395 NB over Hamburg ST carry?

About 28,544 vehicles per day (2019 count), of which roughly 2% are trucks.

How long is I-395 NB over Hamburg ST?

The structure is 847 ft (258.2 m) long with a longest span of 138 ft (42.1 m) and a deck 43 ft wide.

Who owns I-395 NB over Hamburg ST?

It is owned by the State Toll Authority.