US Bridges

Moravia Road Ramp over Herring Run

Fair

Baltimore city, Maryland · Moravia Ramp to Pulaski H · Structure no. 200000BC4214010

Built
1970
55 years old, rebuilt 1993
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
206 ft
3 main spans
Daily traffic
8,480
2015 count
Owner
City
City or Municipal Highway Agency

About this bridge

Moravia Road Ramp over Herring Run is a steel continuous stringer/multi-beam or girder carrying Moravia Road Ramp over Herring Run in Baltimore city, Maryland. It was built in 1970 and reconstructed in 1993, so it is 55 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 8,480 vehicles a day, roughly 16% of them trucks, projected to reach 10,350 by 2035. The structure is 206 ft (62.8 m) long and 28 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesMoravia Road Ramp
CrossesHerring Run
LocationMoravia Ramp to Pulaski H
RouteCity Street 55
CountyBaltimore city
StateMaryland
Coordinates39.50768, -76.88699
Functional classUrban Other Principal Arterial

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.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating93 US tons
Inventory rating55.4 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length206 ft (62.8 m)
Longest span64 ft (19.5 m)
Deck width28 ft (8.5 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,480 (2015)
Projected traffic10,350 by 2035
Trucks16%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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$10,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Moravia Road Ramp over Herring Run built?

It was built in 1970, making it 55 years old in 2025. It was reconstructed in 1993.

What condition is Moravia Road Ramp over Herring Run 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 October 2024.

How much traffic does Moravia Road Ramp over Herring Run carry?

About 8,480 vehicles per day (2015 count), of which roughly 16% are trucks.

How long is Moravia Road Ramp over Herring Run?

The structure is 206 ft (62.8 m) long with a longest span of 64 ft (19.5 m) and a deck 28 ft wide.

Who owns Moravia Road Ramp over Herring Run?

It is owned by the City or Municipal Highway Agency.