US Bridges

Warren Road over Gunpowder Falls

PoorPosted for load

Baltimore city, Maryland · 2.3 MI E York RD · Structure no. 200000BC6510010

Built
1923
102 years old, rebuilt 1994
Condition
Poor
inspected December 2024
Type
Truss - Thru
Steel
Length
640 ft
3 main spans
Daily traffic
6,296
2024 count
Owner
City
City or Municipal Highway Agency

About this bridge

Warren Road over Gunpowder Falls is a steel truss - thru carrying Warren Road over Gunpowder Falls in Baltimore city, Maryland. It was built in 1923 and reconstructed in 1994, so it is 102 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. Its operating status is: posted for load restriction.

It carries about 6,296 vehicles a day, roughly 5% of them trucks, projected to reach 7,682 by 2046. The structure is 640 ft (195.1 m) long and 22 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

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CarriesWarren Road
CrossesGunpowder Falls
Location2.3 MI E York RD
RouteCounty Highway 7015
CountyBaltimore city
StateMaryland
Coordinates39.48833, -76.60978
Functional classUrban Local

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
Deck6 SatisfactoryStructural elements show some minor deterioration.
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 protection7 GoodSome minor problems.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating30.5 US tons
Inventory rating18.5 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckOpen grating
Main spans3
Design loadHS 20
Structure length640 ft (195.1 m)
Longest span213 ft (64.9 m)
Deck width22 ft (6.6 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deck14 ft (4.3 m)

Traffic and service

Average daily traffic6,296 (2024)
Projected traffic7,682 by 2046
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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$880,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Warren Road over Gunpowder Falls built?

It was built in 1923, making it 102 years old in 2025. It was reconstructed in 1994.

What condition is Warren Road over Gunpowder Falls 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 December 2024.

How much traffic does Warren Road over Gunpowder Falls carry?

About 6,296 vehicles per day (2024 count), of which roughly 5% are trucks.

How long is Warren Road over Gunpowder Falls?

The structure is 640 ft (195.1 m) long with a longest span of 213 ft (64.9 m) and a deck 22 ft wide.

Who owns Warren Road over Gunpowder Falls?

It is owned by the City or Municipal Highway Agency.