US Bridges

I-83 NB Off-Ramp T over Mta Light Rail

Fair

Baltimore city, Maryland · 0.9 MI N of North Ave · Structure no. 200000BC3109010

Built
1957
68 years old, rebuilt 1987
Condition
Fair
inspected September 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
99 ft
1 main span
Daily traffic
25,265
2013 count
Owner
City
City or Municipal Highway Agency

About this bridge

I-83 NB Off-Ramp T over Mta Light Rail is a steel stringer/multi-beam or girder carrying I-83 NB Off-Ramp T over Mta Light Rail in Baltimore city, Maryland. It was built in 1957 and reconstructed in 1987, so it is 68 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 25,265 vehicles a day, roughly 10% of them trucks, projected to reach 30,829 by 2033. The structure is 99 ft (30.2 m) long and 35 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesI-83 NB Off-Ramp T
CrossesMta Light Rail
Location0.9 MI N of North Ave
RouteInterstate 83
CountyBaltimore city
StateMaryland
Coordinates39.32555, -76.63351
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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2023
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 alignment6: Equal to present minimum criteria
Operating rating76.9 US tons
Inventory rating39 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length99 ft (30.2 m)
Longest span95 ft (29 m)
Deck width35 ft (10.7 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25,265 (2013)
Projected traffic30,829 by 2033
Trucks10%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesRailroad
Detour if closed1.9 mi (3 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$17,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-83 NB Off-Ramp T over Mta Light Rail built?

It was built in 1957, making it 68 years old in 2025. It was reconstructed in 1987.

What condition is I-83 NB Off-Ramp T over Mta Light Rail 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 September 2023.

How much traffic does I-83 NB Off-Ramp T over Mta Light Rail carry?

About 25,265 vehicles per day (2013 count), of which roughly 10% are trucks.

How long is I-83 NB Off-Ramp T over Mta Light Rail?

The structure is 99 ft (30.2 m) long with a longest span of 95 ft (29 m) and a deck 35 ft wide.

Who owns I-83 NB Off-Ramp T over Mta Light Rail?

It is owned by the City or Municipal Highway Agency.