US Bridges

Park Road N.W. over Piney Branch Pkwy

Fair

District of Columbia, District of Columbia · Over Piney Branch Pkwy NW · Structure no. 0025

Built
1959
66 years old, rebuilt 1999
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
329 ft
1 main span
Daily traffic
6,000
2018 count
Owner
State
State Highway Agency

About this bridge

Park Road N.W. over Piney Branch Pkwy is a steel stringer/multi-beam or girder carrying Park Road N.W. over Piney Branch Pkwy in District of Columbia, District of Columbia. It was built in 1959 and reconstructed in 1999, so it is 66 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 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 6,000 vehicles a day, roughly 1% of them trucks, projected to reach 13,500 by 2027. The structure is 329 ft (100.3 m) long and 55 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesPark Road N.W.
CrossesPiney Branch Pkwy
LocationOver Piney Branch Pkwy NW
RouteCity Street 0
CountyDistrict of Columbia
StateDistrict of Columbia
Coordinates38.93616, -77.04614
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating71 US tons
Inventory rating42 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1 (+4 approach)
Design loadHS 20
Structure length329 ft (100.3 m)
Longest span206 ft (62.8 m)
Deck width55 ft (16.8 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,000 (2018)
Projected traffic13,500 by 2027
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway and waterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Park Road N.W. over Piney Branch Pkwy built?

It was built in 1959, making it 66 years old in 2025. It was reconstructed in 1999.

What condition is Park Road N.W. over Piney Branch Pkwy 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 September 2024.

How much traffic does Park Road N.W. over Piney Branch Pkwy carry?

About 6,000 vehicles per day (2018 count), of which roughly 1% are trucks.

How long is Park Road N.W. over Piney Branch Pkwy?

The structure is 329 ft (100.3 m) long with a longest span of 206 ft (62.8 m) and a deck 55 ft wide.

Who owns Park Road N.W. over Piney Branch Pkwy?

It is owned by the State Highway Agency.