US Bridges

Beach Drive over Rock Creek

Fair

District of Columbia, District of Columbia · 0.3 Miles from Harvard ST · Structure no. 3450018P0000000

Built
1964
61 years old
Condition
Fair
inspected July 2023
Type
Box Beam or Girders - Single or Spread
Concrete
Length
202 ft
3 main spans
Daily traffic
28,795
2007 count
Owner
Federal
National Park Service

About this bridge

Beach Drive over Rock Creek is a concrete box beam or girders - single or spread carrying Beach Drive over Rock Creek in District of Columbia, District of Columbia. It was built in 1964, so it is 61 years old, younger than the District of Columbia average of 63.7 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 28,795 vehicles a day, roughly 1% of them trucks, projected to reach 31,675 by 2027. The structure is 202 ft (61.5 m) long and 34 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesBeach Drive
CrossesRock Creek
Location0.3 Miles from Harvard ST
RouteFederal Lands Road 10
Coordinates38.92405, -77.04858
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
Deck7 GoodSome minor problems.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating67 US tons
Inventory rating40 US tons

Structure

MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length202 ft (61.5 m)
Longest span147 ft (44.7 m)
Deck width34 ft (10.4 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic28,795 (2007)
Projected traffic31,675 by 2027
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerNational Park Service
Maintained byNational Park Service
Historic statusNot eligible for the National Register of Historic Places
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$116,000 (2023 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Beach Drive over Rock Creek built?

It was built in 1964, making it 61 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 July 2023.

How much traffic does Beach Drive over Rock Creek carry?

About 28,795 vehicles per day (2007 count), of which roughly 1% are trucks.

How long is Beach Drive over Rock Creek?

The structure is 202 ft (61.5 m) long with a longest span of 147 ft (44.7 m) and a deck 34 ft wide.

Who owns Beach Drive over Rock Creek?

It is owned by the National Park Service.