US Bridges

Beach Drive over Rock Creek

Fair

Montgomery County, Maryland · .15 Miles North of Md 547 · Structure no. 200000M-PK06020

Built
1966
59 years old
Condition
Fair
inspected August 2023
Type
Culvert
Concrete
Length
44 ft
Daily traffic
8,663
2023 count
Owner
Local
Local Park, Forest, or Reservation Agency

About this bridge

Beach Drive over Rock Creek is a concrete culvert carrying Beach Drive over Rock Creek in Montgomery County, Maryland. It was built in 1966, so it is 59 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 8,663 vehicles a day, roughly 3% of them trucks, projected to reach 9,703 by 2043. The structure is 44 ft (13.4 m) long and 45 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesBeach Drive
CrossesRock Creek
Location.15 Miles North of Md 547
RouteCounty Highway 28
CountyMontgomery County
StateMaryland
Coordinates39.03232, -77.08525
Functional classUrban Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating74 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans0
Design loadHS 20
Structure length44 ft (13.4 m)
Longest span14 ft (4.3 m)
Deck width45 ft (13.6 m)
Roadway width26 ft (8 m)
Vertical clearance over deck13 ft (4 m)

Traffic and service

Average daily traffic8,663 (2023)
Projected traffic9,703 by 2043
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerLocal Park, Forest, or Reservation Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Beach Drive over Rock Creek built?

It was built in 1966, making it 59 years old in 2025.

What condition is Beach Drive over Rock Creek 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 August 2023.

How much traffic does Beach Drive over Rock Creek carry?

About 8,663 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is Beach Drive over Rock Creek?

The structure is 44 ft (13.4 m) long with a longest span of 14 ft (4.3 m) and a deck 45 ft wide.

Who owns Beach Drive over Rock Creek?

It is owned by the Local Park, Forest, or Reservation Agency and maintained by the County Highway Agency.