US Bridges

Md 7 over Grays Run

Fair

Harford County, Maryland · 1.01 Miles South of US 40 · Structure no. 100000120008010

Built
1925
100 years old
Condition
Fair
inspected July 2024
Type
Tee Beam
Concrete
Length
31 ft
1 main span
Daily traffic
12,210
2009 count
Owner
State
State Highway Agency

About this bridge

Md 7 over Grays Run is a concrete tee beam carrying Md 7 over Grays Run in Harford County, Maryland. It was built in 1925, so it is 100 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 12,210 vehicles a day, roughly 8% of them trucks, projected to reach 14,678 by 2026. The structure is 31 ft (9.4 m) long and 26 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

Location

Open in Google Maps
CarriesMd 7
CrossesGrays Run
Location1.01 Miles South of US 40
RouteState Highway 7
CountyHarford County
StateMaryland
Coordinates39.48856, -76.21445
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJuly 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating55 US tons
Inventory rating33 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length31 ft (9.4 m)
Longest span28 ft (8.5 m)
Deck width26 ft (8 m)
Roadway width25 ft (7.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic12,210 (2009)
Projected traffic14,678 by 2026
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 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 proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$54,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Md 7 over Grays Run built?

It was built in 1925, making it 100 years old in 2025.

What condition is Md 7 over Grays 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 Md 7 over Grays Run carry?

About 12,210 vehicles per day (2009 count), of which roughly 8% are trucks.

How long is Md 7 over Grays Run?

The structure is 31 ft (9.4 m) long with a longest span of 28 ft (8.5 m) and a deck 26 ft wide.

Who owns Md 7 over Grays Run?

It is owned by the State Highway Agency.