US Bridges

East Montgomery Ro over Rockville Center Multipl

Fair

Montgomery County, Maryland · 0.5 Miles West of Md 355 · Structure no. 200000M-R-17010

Built
1998
27 years old
Condition
Fair
inspected March 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
474 ft
12 main spans
Daily traffic
500
2023 count
Owner
Private
Private (other than railroad)

About this bridge

East Montgomery Ro over Rockville Center Multipl is a prestressed concrete box beam or girders - multiple carrying East Montgomery Ro over Rockville Center Multipl in Montgomery County, Maryland. It was built in 1998, so it is 27 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 500 vehicles a day, roughly 5% of them trucks, projected to reach 1,000 by 2031. The structure is 474 ft (144.5 m) long and 73 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesEast Montgomery Ro
CrossesRockville Center Multipl
Location0.5 Miles West of Md 355
RouteCity Street 786
CountyMontgomery County
StateMaryland
Coordinates39.08405, -77.15092
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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionMarch 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 geometry9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating42 US tons
Inventory rating20 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans12
Design loadHS 20
Structure length474 ft (144.5 m)
Longest span50 ft (15.2 m)
Deck width73 ft (22.3 m)
Roadway width42 ft (12.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic500 (2023)
Projected traffic1,000 by 2031
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesPedestrian / bicycle
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerPrivate (other than railroad)
Maintained byPrivate (other than railroad)
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was East Montgomery Ro over Rockville Center Multipl built?

It was built in 1998, making it 27 years old in 2025.

What condition is East Montgomery Ro over Rockville Center Multipl 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 March 2023.

How much traffic does East Montgomery Ro over Rockville Center Multipl carry?

About 500 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is East Montgomery Ro over Rockville Center Multipl?

The structure is 474 ft (144.5 m) long with a longest span of 50 ft (15.2 m) and a deck 73 ft wide.

Who owns East Montgomery Ro over Rockville Center Multipl?

It is owned by the Private (other than railroad).