US Bridges

Beach Drive over Piney Branch

Fair

District of Columbia, District of Columbia · 0.4 Miles from Tilden Str · Structure no. 3450011P0000000

Built
1957
68 years old
Condition
Fair
inspected July 2023
Type
Slab
Concrete Continuous
Length
64 ft
2 main spans
Daily traffic
14,500
2019 count
Owner
Federal
National Park Service

About this bridge

Beach Drive over Piney Branch is a concrete continuous slab carrying Beach Drive over Piney Branch in District of Columbia, District of Columbia. It was built in 1957, so it is 68 years old, older 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 14,500 vehicles a day, roughly 1% of them trucks, projected to reach 15,950 by 2039. The structure is 64 ft (19.5 m) long and 46 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesBeach Drive
CrossesPiney Branch
Location0.4 Miles from Tilden Str
RouteFederal Lands Road 10
Coordinates38.93531, -77.04761
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 rating47 US tons
Inventory rating28 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadH 20
Structure length64 ft (19.5 m)
Longest span32 ft (9.9 m)
Deck width46 ft (14 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic14,500 (2019)
Projected traffic15,950 by 2039
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.9 mi (3 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 proposedNone recorded
Estimated improvement cost$50,000 (2023 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Beach Drive over Piney Branch built?

It was built in 1957, making it 68 years old in 2025.

What condition is Beach Drive over Piney Branch 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 Piney Branch carry?

About 14,500 vehicles per day (2019 count), of which roughly 1% are trucks.

How long is Beach Drive over Piney Branch?

The structure is 64 ft (19.5 m) long with a longest span of 32 ft (9.9 m) and a deck 46 ft wide.

Who owns Beach Drive over Piney Branch?

It is owned by the National Park Service.