US Bridges

Beach Drive over Rock Creek Tributary

Fair

Montgomery County, Maryland · 1.1 Miles South of Md 547 · Structure no. 200000M-PK12020

Built
1968
57 years old
Condition
Fair
inspected November 2024
Type
Culvert
Concrete
Length
28 ft
Daily traffic
8,841
2024 count
Owner
Local
Local Park, Forest, or Reservation Agency

About this bridge

Beach Drive over Rock Creek Tributary is a concrete culvert carrying Beach Drive over Rock Creek Tributary in Montgomery County, Maryland. It was built in 1968, so it is 57 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 8,841 vehicles a day, roughly 3% of them trucks, projected to reach 11,080 by 2044. The structure is 28 ft (8.6 m) long. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesBeach Drive
CrossesRock Creek Tributary
Location1.1 Miles South of Md 547
CountyMontgomery County
StateMaryland
Coordinates39.02226, -77.10161
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 inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating83.4 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans0
Design loadHS 20
Structure length28 ft (8.6 m)
Longest span14 ft (4.3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,841 (2024)
Projected traffic11,080 by 2044
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 Tributary built?

It was built in 1968, making it 57 years old in 2025.

What condition is Beach Drive over Rock Creek Tributary 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 November 2024.

How much traffic does Beach Drive over Rock Creek Tributary carry?

About 8,841 vehicles per day (2024 count), of which roughly 3% are trucks.

How long is Beach Drive over Rock Creek Tributary?

The structure is 28 ft (8.6 m) long with a longest span of 14 ft (4.3 m).

Who owns Beach Drive over Rock Creek Tributary?

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