US Bridges

Echodale Avenue over Herring Run

FairPosted for load

Baltimore city, Maryland · 0.2 MI E Perring Pkwy · Structure no. 200000BC3402010

Built
1940
85 years old
Condition
Fair
inspected November 2024
Type
Frame
Concrete
Length
56 ft
1 main span
Daily traffic
47,118
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

Echodale Avenue over Herring Run is a concrete frame carrying Echodale Avenue over Herring Run in Baltimore city, Maryland. It was built in 1940, so it is 85 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. Its operating status is: posted for load restriction.

It carries about 47,118 vehicles a day, roughly 5% of them trucks, projected to reach 58,648 by 2042. The structure is 56 ft (17.1 m) long and 49 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesEchodale Avenue
CrossesHerring Run
Location0.2 MI E Perring Pkwy
RouteCity Street 1040
CountyBaltimore city
StateMaryland
Coordinates39.35398, -76.57327
Functional classUrban Collector

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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating99.4 US tons
Inventory rating59.5 US tons

Structure

Structure typeFrame
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length56 ft (17.1 m)
Longest span52 ft (15.9 m)
Deck width49 ft (14.9 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic47,118 (2020)
Projected traffic58,648 by 2042
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$188,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Echodale Avenue over Herring Run built?

It was built in 1940, making it 85 years old in 2025.

What condition is Echodale Avenue 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 November 2024.

How much traffic does Echodale Avenue over Herring Run carry?

About 47,118 vehicles per day (2020 count), of which roughly 5% are trucks.

How long is Echodale Avenue over Herring Run?

The structure is 56 ft (17.1 m) long with a longest span of 52 ft (15.9 m) and a deck 49 ft wide.

Who owns Echodale Avenue over Herring Run?

It is owned by the City or Municipal Highway Agency.