US Bridges

Md 7 over Gunpowder Falls

Fair

Baltimore County, Maryland · 1.74 MI S of Harford CO · Structure no. 100000030013010

Built
1987
38 years old
Condition
Fair
inspected August 2024
Type
Arch - Deck
Steel
Length
232 ft
1 main span
Daily traffic
8,863
2021 count
Owner
State
State Highway Agency

About this bridge

Md 7 over Gunpowder Falls is a steel arch - deck carrying Md 7 over Gunpowder Falls in Baltimore County, Maryland. It was built in 1987, so it is 38 years old, younger 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 8,863 vehicles a day, roughly 4% of them trucks, projected to reach 11,000 by 2041. The structure is 232 ft (70.7 m) long and 35 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesMd 7
CrossesGunpowder Falls
Location1.74 MI S of Harford CO
RouteState Highway 7
CountyBaltimore County
StateMaryland
Coordinates39.41406, -76.40625
Functional classUrban Minor 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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
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 rating65.5 US tons
Inventory rating39 US tons

Structure

Structure typeArch - Deck
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length232 ft (70.7 m)
Longest span124 ft (37.8 m)
Deck width35 ft (10.7 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,863 (2021)
Projected traffic11,000 by 2041
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Md 7 over Gunpowder Falls built?

It was built in 1987, making it 38 years old in 2025.

What condition is Md 7 over Gunpowder Falls 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 August 2024.

How much traffic does Md 7 over Gunpowder Falls carry?

About 8,863 vehicles per day (2021 count), of which roughly 4% are trucks.

How long is Md 7 over Gunpowder Falls?

The structure is 232 ft (70.7 m) long with a longest span of 124 ft (37.8 m) and a deck 35 ft wide.

Who owns Md 7 over Gunpowder Falls?

It is owned by the State Highway Agency.