US Bridges

Md 355 over Relocated Randolph Road

Good

Montgomery County, Maryland · 2.5 MI N. of I-495 · Structure no. 100000150194010

Built
2009
16 years old
Condition
Good
inspected August 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
180 ft
2 main spans
Daily traffic
60,000
2007 count
Owner
State
State Highway Agency

About this bridge

Md 355 over Relocated Randolph Road is a steel continuous stringer/multi-beam or girder carrying Md 355 over Relocated Randolph Road in Montgomery County, Maryland. It was built in 2009, so it is 16 years old, younger than the Maryland average of 52.6 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 60,000 vehicles a day, roughly 4% of them trucks, projected to reach 98,100 by 2030. The structure is 180 ft (54.9 m) long and 115 ft wide.

Location

Open in Google Maps
CarriesMd 355
CrossesRelocated Randolph Road
Location2.5 MI N. of I-495
RouteState Highway 355
CountyMontgomery County
StateMaryland
Coordinates39.05241, -77.11601
Functional classUrban Other Principal Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating106.5 US tons
Inventory rating82.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length180 ft (54.9 m)
Longest span93 ft (28.3 m)
Deck width115 ft (35.2 m)
Roadway width90 ft (27.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic60,000 (2007)
Projected traffic98,100 by 2030
Trucks4%
Lanes on structure7
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed—
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
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 Md 355 over Relocated Randolph Road built?

It was built in 2009, making it 16 years old in 2025.

What condition is Md 355 over Relocated Randolph Road in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in August 2023.

How much traffic does Md 355 over Relocated Randolph Road carry?

About 60,000 vehicles per day (2007 count), of which roughly 4% are trucks.

How long is Md 355 over Relocated Randolph Road?

The structure is 180 ft (54.9 m) long with a longest span of 93 ft (28.3 m) and a deck 115 ft wide.

Who owns Md 355 over Relocated Randolph Road?

It is owned by the State Highway Agency.