US Bridges

I-83 NB over Mta Light Rail Yard

Fair

Baltimore city, Maryland · Sta. 150-158 · Structure no. 200000BC3101010

Built
1959
66 years old, rebuilt 1987
Condition
Fair
inspected December 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
928 ft
15 main spans
Daily traffic
117,171
2018 count
Owner
City
City or Municipal Highway Agency

About this bridge

I-83 NB over Mta Light Rail Yard is a steel stringer/multi-beam or girder carrying I-83 NB over Mta Light Rail Yard in Baltimore city, Maryland. It was built in 1959 and reconstructed in 1987, so it is 66 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 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 117,171 vehicles a day, roughly 2% of them trucks, projected to reach 130,000 by 2038. The structure is 928 ft (282.9 m) long and 64 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesI-83 NB
CrossesMta Light Rail Yard
LocationSta. 150-158
RouteInterstate 83
CountyBaltimore city
StateMaryland
Coordinates39.31594, -76.62872
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionDecember 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 geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating85.4 US tons
Inventory rating51.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans15
Design loadHS 20
Structure length928 ft (282.9 m)
Longest span71 ft (21.6 m)
Deck width64 ft (19.6 m)
Roadway width62 ft (18.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic117,171 (2018)
Projected traffic130,000 by 2038
Trucks2%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway
CrossesOther
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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$71,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-83 NB over Mta Light Rail Yard built?

It was built in 1959, making it 66 years old in 2025. It was reconstructed in 1987.

What condition is I-83 NB over Mta Light Rail Yard 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 2024.

How much traffic does I-83 NB over Mta Light Rail Yard carry?

About 117,171 vehicles per day (2018 count), of which roughly 2% are trucks.

How long is I-83 NB over Mta Light Rail Yard?

The structure is 928 ft (282.9 m) long with a longest span of 71 ft (21.6 m) and a deck 64 ft wide.

Who owns I-83 NB over Mta Light Rail Yard?

It is owned by the City or Municipal Highway Agency.