US Bridges

Little Falls Parkw over Willet Branch

Fair

Montgomery County, Maryland · 0.1 MI N Dorset Ave · Structure no. 200000M-PK01011

Built
1958
67 years old, rebuilt 2005
Condition
Fair
inspected February 2023
Type
Slab
Prestressed Concrete
Length
49 ft
1 main span
Daily traffic
16,840
2017 count
Owner
Local
Local Park, Forest, or Reservation Agency

About this bridge

Little Falls Parkw over Willet Branch is a prestressed concrete slab carrying Little Falls Parkw over Willet Branch in Montgomery County, Maryland. It was built in 1958 and reconstructed in 2005, so it is 67 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 16,840 vehicles a day, roughly 1% of them trucks, projected to reach 38,000 by 2037. The structure is 49 ft (14.9 m) long and 34 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesLittle Falls Parkw
CrossesWillet Branch
Location0.1 MI N Dorset Ave
RouteFederal Lands Road 33
Coordinates38.97025, -77.10046
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than 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 alignment8: Equal to present desirable criteria
Operating rating70.4 US tons
Inventory rating42 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length49 ft (14.9 m)
Longest span46 ft (14 m)
Deck width34 ft (10.4 m)
Roadway width31 ft (9.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic16,840 (2017)
Projected traffic38,000 by 2037
Trucks1%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 Little Falls Parkw over Willet Branch built?

It was built in 1958, making it 67 years old in 2025. It was reconstructed in 2005.

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 2023.

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

About 16,840 vehicles per day (2017 count), of which roughly 1% are trucks.

How long is Little Falls Parkw over Willet Branch?

The structure is 49 ft (14.9 m) long with a longest span of 46 ft (14 m) and a deck 34 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.