US Bridges

Liberty Heights Av over Powder Mill Run

Fair

Baltimore city, Maryland · 0.1 MI W Powder Mill LN · Structure no. 200000BC2255020

Built
1966
59 years old
Condition
Fair
inspected July 2024
Type
Culvert
Concrete
Length
53 ft
Daily traffic
28,441
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

Liberty Heights Av over Powder Mill Run is a concrete culvert carrying Liberty Heights Av over Powder Mill Run in Baltimore city, Maryland. It was built in 1966, so it is 59 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 28,441 vehicles a day, roughly 8% of them trucks, projected to reach 35,401 by 2042. The structure is 53 ft (16.2 m) long. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesLiberty Heights Av
CrossesPowder Mill Run
Location0.1 MI W Powder Mill LN
RouteState Highway 26
CountyBaltimore city
StateMaryland
Coordinates39.3361, -76.71037
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans0
Design loadUnknown
Structure length53 ft (16.2 m)
Longest span17 ft (5.2 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic28,441 (2020)
Projected traffic35,401 by 2042
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$65,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Liberty Heights Av over Powder Mill Run built?

It was built in 1966, making it 59 years old in 2025.

What condition is Liberty Heights Av over Powder Mill 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 July 2024.

How much traffic does Liberty Heights Av over Powder Mill Run carry?

About 28,441 vehicles per day (2020 count), of which roughly 8% are trucks.

How long is Liberty Heights Av over Powder Mill Run?

The structure is 53 ft (16.2 m) long with a longest span of 17 ft (5.2 m).

Who owns Liberty Heights Av over Powder Mill Run?

It is owned by the City or Municipal Highway Agency.