US Bridges

Little Falls Parkw over Willet Branch

FairClosed to traffic

Montgomery County, Maryland · 0.1 MI N Dorset Ave · Structure no. 200000M-PK01012

Built
1963
62 years old
Condition
Fair
inspected February 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
46 ft
1 main span
Daily traffic
17,283
2022 count
Owner
Local
Local Park, Forest, or Reservation Agency

About this bridge

Little Falls Parkw over Willet Branch is a prestressed concrete box beam or girders - multiple carrying Little Falls Parkw over Willet Branch in Montgomery County, Maryland. It was built in 1963, so it is 62 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 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: closed to all traffic.

It carries about 17,283 vehicles a day, roughly 1% of them trucks, projected to reach 38,999 by 2042. The structure is 46 ft (14 m) long and 35 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesLittle Falls Parkw
CrossesWillet Branch
Location0.1 MI N Dorset Ave
RouteFederal Lands Road 33
Coordinates38.97017, -77.10066
Functional classUrban Collector

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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusClosed to all traffic
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry0: Immediate repair necessary to put back in service
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating36 US tons

Structure

MaterialPrestressed Concrete
DeckNot applicable
Main spans1
Design loadHS 20
Structure length46 ft (14 m)
Longest span43 ft (13.1 m)
Deck width35 ft (10.7 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic17,283 (2022)
Projected traffic38,999 by 2042
Trucks1%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$55,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Little Falls Parkw over Willet Branch built?

It was built in 1963, making it 62 years old in 2025.

What condition is Little Falls Parkw over Willet 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 February 2024.

How much traffic does Little Falls Parkw over Willet Branch carry?

About 17,283 vehicles per day (2022 count), of which roughly 1% are trucks.

How long is Little Falls Parkw over Willet Branch?

The structure is 46 ft (14 m) long with a longest span of 43 ft (13.1 m) and a deck 35 ft wide.

Who owns Little Falls Parkw over Willet Branch?

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