US Bridges

Clara Barton Parkw over Riverside Drive

Fair

Montgomery County, Maryland · 0.7 Miles South of I-495; · Structure no. 3300031P0000000

Built
1961
64 years old
Condition
Fair
inspected April 2023
Type
Frame
Concrete
Length
28 ft
1 main span
Daily traffic
16,120
2022 count
Owner
Federal
National Park Service

About this bridge

Clara Barton Parkw over Riverside Drive is a concrete frame carrying Clara Barton Parkw over Riverside Drive in Montgomery County, Maryland. It was built in 1961, so it is 64 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 16,120 vehicles a day, roughly 1% of them trucks, projected to reach 19,344 by 2042. The structure is 28 ft (8.6 m) long and 84 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesClara Barton Parkw
CrossesRiverside Drive
Location0.7 Miles South of I-495;
RouteFederal Lands Road 6
CountyMontgomery County
StateMaryland
Coordinates38.97292, -77.16444
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
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating90.9 US tons
Inventory rating54 US tons

Structure

Structure typeFrame
MaterialConcrete
DeckNot applicable
Main spans1
Design loadH 20
Structure length28 ft (8.6 m)
Longest span28 ft (8.6 m)
Deck width84 ft (25.6 m)
Roadway width80 ft (24.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic16,120 (2022)
Projected traffic19,344 by 2042
Trucks1%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerNational Park Service
Maintained byNational Park Service
Historic statusNot eligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$45,000 (2021 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Clara Barton Parkw over Riverside Drive built?

It was built in 1961, making it 64 years old in 2025.

What condition is Clara Barton Parkw over Riverside Drive 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 April 2023.

How much traffic does Clara Barton Parkw over Riverside Drive carry?

About 16,120 vehicles per day (2022 count), of which roughly 1% are trucks.

How long is Clara Barton Parkw over Riverside Drive?

The structure is 28 ft (8.6 m) long with a longest span of 28 ft (8.6 m) and a deck 84 ft wide.

Who owns Clara Barton Parkw over Riverside Drive?

It is owned by the National Park Service.