US Bridges

Greenway Drive over Little Falls Branch

FairPosted for load

Montgomery County, Maryland · 0.1 MI South of Md 190 · Structure no. 200000M-0116010

Built
1962
63 years old
Condition
Fair
inspected February 2024
Type
Slab
Concrete Continuous
Length
27 ft
2 main spans
Daily traffic
970
2022 count
Owner
County
County Highway Agency

About this bridge

Greenway Drive over Little Falls Branch is a concrete continuous slab carrying Greenway Drive over Little Falls Branch in Montgomery County, Maryland. It was built in 1962, so it is 63 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: posted for load restriction.

It carries about 970 vehicles a day, roughly 3% of them trucks, projected to reach 1,067 by 2043. The structure is 27 ft (8.2 m) long and 36 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesGreenway Drive
CrossesLittle Falls Branch
Location0.1 MI South of Md 190
RouteCounty Highway 820
Coordinates38.96, -77.09777
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating73 US tons
Inventory rating44 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadH 20
Structure length27 ft (8.2 m)
Longest span13 ft (4 m)
Deck width36 ft (11 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic970 (2022)
Projected traffic1,067 by 2043
Trucks3%
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

OwnerCounty Highway 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 Greenway Drive over Little Falls Branch built?

It was built in 1962, making it 63 years old in 2025.

What condition is Greenway Drive over Little Falls 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 Greenway Drive over Little Falls Branch carry?

About 970 vehicles per day (2022 count), of which roughly 3% are trucks.

How long is Greenway Drive over Little Falls Branch?

The structure is 27 ft (8.2 m) long with a longest span of 13 ft (4 m) and a deck 36 ft wide.

Who owns Greenway Drive over Little Falls Branch?

It is owned by the County Highway Agency.