US Bridges

I-395 Spur NB over Hamburg ST & RR

Fair

Baltimore city, Maryland · Milepost M4.0 · Structure no. 300000BCWT40011

Built
1982
43 years old
Condition
Fair
inspected December 2023
Type
Box Beam or Girders - Multiple
Steel Continuous
Length
1,498 ft
14 main spans
Daily traffic
21,446
2019 count
Owner
Toll Authority
State Toll Authority

About this bridge

I-395 Spur NB over Hamburg ST & RR is a steel continuous box beam or girders - multiple carrying I-395 Spur NB over Hamburg ST & RR 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 21,446 vehicles a day, roughly 1% of them trucks, projected to reach 29,119 by 2041. The structure is 1,498 ft (456.6 m) long and 43 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

No coordinates are recorded for this structure.

CarriesI-395 Spur NB
CrossesHamburg ST & RR
LocationMilepost M4.0
RouteInterstate 395
CountyBaltimore city
StateMaryland
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.
Substructure7 GoodSome minor problems.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment8: Equal to present desirable criteria
Operating rating98.4 US tons
Inventory rating59 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans14
Design loadHS 20
Structure length1,498 ft (456.6 m)
Longest span145 ft (44.2 m)
Deck width43 ft (13.2 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deck21 ft (6.4 m)

Traffic and service

Average daily traffic21,446 (2019)
Projected traffic29,119 by 2041
Trucks1%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway and railroad
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 Spur NB over Hamburg ST & RR built?

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

What condition is I-395 Spur NB over Hamburg ST & RR 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 December 2023.

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

About 21,446 vehicles per day (2019 count), of which roughly 1% are trucks.

How long is I-395 Spur NB over Hamburg ST & RR?

The structure is 1,498 ft (456.6 m) long with a longest span of 145 ft (44.2 m) and a deck 43 ft wide.

Who owns I-395 Spur NB over Hamburg ST & RR?

It is owned by the State Toll Authority.