US Bridges

Md 7 over Md 43

Fair

Baltimore County, Maryland · 0.52 M W of Br No 0301400 · Structure no. 100000030218010

Built
1963
62 years old, rebuilt 2002
Condition
Fair
inspected April 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
241 ft
4 main spans
Daily traffic
16,450
9 count
Owner
State
State Highway Agency

About this bridge

Md 7 over Md 43 is a steel stringer/multi-beam or girder carrying Md 7 over Md 43 in Baltimore County, Maryland. It was built in 1963 and reconstructed in 2002, so it is 62 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 5 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 16,450 vehicles a day, roughly 8% of them trucks, projected to reach 19,636 by 26. The structure is 241 ft (73.5 m) long and 51 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesMd 7
CrossesMd 43
Location0.52 M W of Br No 0301400
RouteState Highway 7
CountyBaltimore County
StateMaryland
Coordinates39.37673, -76.43908
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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating74.5 US tons
Inventory rating44.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length241 ft (73.5 m)
Longest span79 ft (24.1 m)
Deck width51 ft (15.5 m)
Roadway width43 ft (13 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic16,450 (9)
Projected traffic19,636 by 26
Trucks8%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed1.9 mi (3 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$616,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was Md 7 over Md 43 built?

It was built in 1963, making it 62 years old in 2025. It was reconstructed in 2002.

What condition is Md 7 over Md 43 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 April 2023.

How much traffic does Md 7 over Md 43 carry?

About 16,450 vehicles per day (9 count), of which roughly 8% are trucks.

How long is Md 7 over Md 43?

The structure is 241 ft (73.5 m) long with a longest span of 79 ft (24.1 m) and a deck 51 ft wide.

Who owns Md 7 over Md 43?

It is owned by the State Highway Agency.