US Bridges

Howard Street over I-83 CSX Mta AMTRAK

Fair

Baltimore city, Maryland · 0.2 MI N Mount Royal Ave · Structure no. 200000BC1405010

Built
1938
87 years old, rebuilt 1981
Condition
Fair
inspected March 2024
Type
Arch - Thru
Steel
Length
979 ft
2 main spans
Daily traffic
27,982
2018 count
Owner
City
City or Municipal Highway Agency

About this bridge

Howard Street over I-83 CSX Mta AMTRAK is a steel arch - thru carrying Howard Street over I-83 CSX Mta AMTRAK in Baltimore city, Maryland. It was built in 1938 and reconstructed in 1981, so it is 87 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 27,982 vehicles a day, roughly 10% of them trucks, projected to reach 35,154 by 2033. The structure is 979 ft (298.4 m) long and 71 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesHoward Street
CrossesI-83 CSX Mta AMTRAK
Location0.2 MI N Mount Royal Ave
RouteCity Street 1700
Coordinates39.30818, -76.62054
Functional classUrban Local

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.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating46 US tons
Inventory rating27.4 US tons

Structure

Structure typeArch - Thru
MaterialSteel
DeckConcrete, cast-in-place
Main spans2 (+6 approach)
Design loadH 20
Structure length979 ft (298.4 m)
Longest span271 ft (82.6 m)
Deck width71 ft (21.6 m)
Roadway width54 ft (16.6 m)
Vertical clearance over deck24 ft (7.3 m)

Traffic and service

Average daily traffic27,982 (2018)
Projected traffic35,154 by 2033
Trucks10%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway, waterway and railroad
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

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$1.2 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Howard Street over I-83 CSX Mta AMTRAK built?

It was built in 1938, making it 87 years old in 2025. It was reconstructed in 1981.

What condition is Howard Street over I-83 CSX Mta AMTRAK 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 Howard Street over I-83 CSX Mta AMTRAK carry?

About 27,982 vehicles per day (2018 count), of which roughly 10% are trucks.

How long is Howard Street over I-83 CSX Mta AMTRAK?

The structure is 979 ft (298.4 m) long with a longest span of 271 ft (82.6 m) and a deck 71 ft wide.

Who owns Howard Street over I-83 CSX Mta AMTRAK?

It is owned by the City or Municipal Highway Agency.