Md 151B (wharf Roa over Warehouse Road and Trade

Good

Baltimore County, Maryland · 0.4 Mi. S. of Md 158 · Structure no. 100000030351010

Built: 2022; 3 years old
Condition: Good; inspected April 2024
Type: Stringer/Multi-beam or Girder; Steel Continuous
Length: 219 ft; 2 main spans
Daily traffic: 12,750; 2021 count
Owner: State; State Highway Agency

About this bridge

Md 151B (wharf Roa over Warehouse Road and Trade is a steel continuous stringer/multi-beam or girder carrying Md 151B (wharf Roa over Warehouse Road and Trade in Baltimore County, Maryland. It was built in 2022, so it is 3 years old, younger than the Maryland average of 52.6 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 9 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 12,750 vehicles a day, roughly 20% of them trucks, projected to reach 15,550 by 2038. The structure is 219 ft (66.9 m) long and 58 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

No coordinates are recorded for this structure.

CarriesMd 151B (wharf Roa

CrossesWarehouse Road and Trade

Location0.4 Mi. S. of Md 158

RouteState Highway 151B

CountyBaltimore County

StateMaryland

Functional classUrban Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

Component	Rating	Meaning
Deck	9 Excellent	No problems noted.
Superstructure	9 Excellent	No problems noted.
Substructure	9 Excellent	No problems noted.

Last inspectionApril 2024

Inspection intervalevery 24 months

Operating statusOpen, no restriction

ScourBridge not over waterway

Structural evaluation9: Superior to present desirable criteria

Deck geometry9: Superior to present desirable criteria

Approach roadway alignment8: Equal to present desirable criteria

Operating rating96.5 US tons

Inventory rating74.3 US tons

Structure

Structure typeStringer/Multi-beam or Girder

MaterialSteel Continuous

DeckConcrete, cast-in-place

Main spans2

Design loadUnknown

Structure length219 ft (66.9 m)

Longest span120 ft (36.6 m)

Deck width58 ft (17.8 m)

Roadway width49 ft (14.9 m)

Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic12,750 (2021)

Projected traffic15,550 by 2038

Trucks20%

Lanes on structure2

Traffic directionTwo-way traffic

CarriesHighway

CrossesHighway and railroad

Detour if closed5 mi (8 km)

TollOn a free road

National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency

Maintained byState Highway Agency

Historic statusNot eligible for the National Register of Historic Places

Work proposedOther structural work, including hydraulic replacements

Estimated improvement cost—

NavigationNot applicable (no waterway)

Frequently asked questions

When was Md 151B (wharf Roa over Warehouse Road and Trade built?

It was built in 2022, making it 3 years old in 2025.

What condition is Md 151B (wharf Roa over Warehouse Road and Trade in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in April 2024.

How much traffic does Md 151B (wharf Roa over Warehouse Road and Trade carry?

About 12,750 vehicles per day (2021 count), of which roughly 20% are trucks.

How long is Md 151B (wharf Roa over Warehouse Road and Trade?

The structure is 219 ft (66.9 m) long with a longest span of 120 ft (36.6 m) and a deck 58 ft wide.

Who owns Md 151B (wharf Roa over Warehouse Road and Trade?

It is owned by the State Highway Agency.