US Bridges

I-83 Ramp D over Ramp B

Fair

Baltimore city, Maryland · 0.3 Mi. E of Calvert ST · Structure no. 200000BC1114010

Built
1976
49 years old
Condition
Fair
inspected March 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
730 ft
9 main spans
Daily traffic
2,861
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

I-83 Ramp D over Ramp B is a steel continuous stringer/multi-beam or girder carrying I-83 Ramp D over Ramp B in Baltimore city, Maryland. It was built in 1976, so it is 49 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 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 2,861 vehicles a day, roughly 8% of them trucks, projected to reach 3,570 by 2044. The structure is 730 ft (222.6 m) long and 24 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesI-83 Ramp D
CrossesRamp B
Location0.3 Mi. E of Calvert ST
RouteInterstate 83
CountyBaltimore city
StateMaryland
Coordinates39.30108, -76.611
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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating78.5 US tons
Inventory rating47 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans9
Design loadHS 20
Structure length730 ft (222.6 m)
Longest span104 ft (31.7 m)
Deck width24 ft (7.3 m)
Roadway width20 ft (6.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,861 (2022)
Projected traffic3,570 by 2044
Trucks8%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$26,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-83 Ramp D over Ramp B built?

It was built in 1976, making it 49 years old in 2025.

What condition is I-83 Ramp D over Ramp B 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 I-83 Ramp D over Ramp B carry?

About 2,861 vehicles per day (2022 count), of which roughly 8% are trucks.

How long is I-83 Ramp D over Ramp B?

The structure is 730 ft (222.6 m) long with a longest span of 104 ft (31.7 m) and a deck 24 ft wide.

Who owns I-83 Ramp D over Ramp B?

It is owned by the City or Municipal Highway Agency.