US Bridges

Pulaski Highway over Herring Run

Poor

Baltimore city, Maryland · 0.6 MI W of Is 95 · Structure no. 200000BC4211010

Built
1921
104 years old, rebuilt 1933
Condition
Poor
inspected October 2024
Type
Arch - Deck
Concrete
Length
154 ft
1 main span
Daily traffic
58,858
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

Pulaski Highway over Herring Run is a concrete arch - deck carrying Pulaski Highway over Herring Run in Baltimore city, Maryland. It was built in 1921 and reconstructed in 1933, so it is 104 years old, older than the Maryland average of 52.6 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 58,858 vehicles a day, roughly 8% of them trucks, projected to reach 69,626 by 2040. The structure is 154 ft (46.9 m) long and 105 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesPulaski Highway
CrossesHerring Run
Location0.6 MI W of Is 95
RouteU.S. Route 40
Coordinates39.30517, -76.53769
Functional classUrban Other Principal Arterial

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating93 US tons
Inventory rating56 US tons

Structure

Structure typeArch - Deck
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20
Structure length154 ft (46.9 m)
Longest span150 ft (45.7 m)
Deck width105 ft (32 m)
Roadway width93 ft (28.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic58,858 (2020)
Projected traffic69,626 by 2040
Trucks8%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

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$146,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Pulaski Highway over Herring Run built?

It was built in 1921, making it 104 years old in 2025. It was reconstructed in 1933.

What condition is Pulaski Highway over Herring Run in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in October 2024.

How much traffic does Pulaski Highway over Herring Run carry?

About 58,858 vehicles per day (2020 count), of which roughly 8% are trucks.

How long is Pulaski Highway over Herring Run?

The structure is 154 ft (46.9 m) long with a longest span of 150 ft (45.7 m) and a deck 105 ft wide.

Who owns Pulaski Highway over Herring Run?

It is owned by the City or Municipal Highway Agency.