US Bridges

Md 700 over US 40

Fair

Baltimore County, Maryland · 1.89 MI N of Md 150 · Structure no. 100000030106010

Built
1941
84 years old, rebuilt 1984
Condition
Fair
inspected May 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
222 ft
4 main spans
Daily traffic
8,661
2009 count
Owner
State
State Highway Agency

About this bridge

Md 700 over US 40 is a steel stringer/multi-beam or girder carrying Md 700 over US 40 in Baltimore County, Maryland. It was built in 1941 and reconstructed in 1984, so it is 84 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 8,661 vehicles a day, roughly 8% of them trucks, projected to reach 15,284 by 2026. The structure is 222 ft (67.7 m) long and 35 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesMd 700
CrossesUS 40
Location1.89 MI N of Md 150
RouteState Highway 700
CountyBaltimore County
StateMaryland
Coordinates39.34274, -76.46757
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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Last inspectionMay 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 alignment6: Equal to present minimum criteria
Operating rating110.1 US tons
Inventory rating76.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length222 ft (67.7 m)
Longest span72 ft (21.9 m)
Deck width35 ft (10.6 m)
Roadway width32 ft (9.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,661 (2009)
Projected traffic15,284 by 2026
Trucks8%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 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$510,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was Md 700 over US 40 built?

It was built in 1941, making it 84 years old in 2025. It was reconstructed in 1984.

What condition is Md 700 over US 40 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 May 2023.

How much traffic does Md 700 over US 40 carry?

About 8,661 vehicles per day (2009 count), of which roughly 8% are trucks.

How long is Md 700 over US 40?

The structure is 222 ft (67.7 m) long with a longest span of 72 ft (21.9 m) and a deck 35 ft wide.

Who owns Md 700 over US 40?

It is owned by the State Highway Agency.