US Bridges

Mount Royal Avenue over Howard Street

Fair

Baltimore city, Maryland · 0.1 MI N of John ST · Structure no. 200000BC1406040

Built
1938
87 years old
Condition
Fair
inspected January 2023
Type
Frame
Concrete
Length
68 ft
1 main span
Daily traffic
20,716
2013 count
Owner
City
City or Municipal Highway Agency

About this bridge

Mount Royal Avenue over Howard Street is a concrete frame carrying Mount Royal Avenue over Howard Street in Baltimore city, Maryland. It was built in 1938, 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 20,716 vehicles a day, roughly 5% of them trucks, projected to reach 25,278 by 2033. The structure is 68 ft (20.7 m) long and 125 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesMount Royal Avenue
CrossesHoward Street
Location0.1 MI N of John ST
RouteCity Street 4065
CountyBaltimore city
StateMaryland
Coordinates39.30764, -76.6208
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 inspectionJanuary 2023
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 rating60 US tons
Inventory rating36 US tons

Structure

Structure typeFrame
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length68 ft (20.7 m)
Longest span68 ft (20.7 m)
Deck width125 ft (38.1 m)
Roadway width100 ft (30.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20,716 (2013)
Projected traffic25,278 by 2033
Trucks5%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed1.2 mi (2 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$16,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was Mount Royal Avenue over Howard Street built?

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

What condition is Mount Royal Avenue over Howard Street 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 January 2023.

How much traffic does Mount Royal Avenue over Howard Street carry?

About 20,716 vehicles per day (2013 count), of which roughly 5% are trucks.

How long is Mount Royal Avenue over Howard Street?

The structure is 68 ft (20.7 m) long with a longest span of 68 ft (20.7 m) and a deck 125 ft wide.

Who owns Mount Royal Avenue over Howard Street?

It is owned by the City or Municipal Highway Agency.