US Bridges

Riverdale Road over Tributary to Northeast B

Fair

Prince George's County, Maryland · 0.2 M South of Md 410 · Structure no. 200000P-0220020

Built
1957
68 years old
Condition
Fair
inspected September 2023
Type
Culvert
Concrete
Length
22 ft
Daily traffic
5,000
2015 count
Owner
County
County Highway Agency

About this bridge

Riverdale Road over Tributary to Northeast B is a concrete culvert carrying Riverdale Road over Tributary to Northeast B in Prince George's County, Maryland. It was built in 1957, so it is 68 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.

It carries about 5,000 vehicles a day, roughly 10% of them trucks, projected to reach 7,430 by 2035. The structure is 22 ft (6.7 m) long. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesRiverdale Road
CrossesTributary to Northeast B
Location0.2 M South of Md 410
RouteCounty Highway 3048
CountyPrince George's County
StateMaryland
Coordinates38.95895, -76.91927
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
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans0
Design loadUnknown
Structure length22 ft (6.7 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,000 (2015)
Projected traffic7,430 by 2035
Trucks10%
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 Riverdale Road over Tributary to Northeast B built?

It was built in 1957, making it 68 years old in 2025.

What condition is Riverdale Road over Tributary to Northeast B 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 2023.

How much traffic does Riverdale Road over Tributary to Northeast B carry?

About 5,000 vehicles per day (2015 count), of which roughly 10% are trucks.

How long is Riverdale Road over Tributary to Northeast B?

The structure is 22 ft (6.7 m) long with a longest span of 12 ft (3.7 m).

Who owns Riverdale Road over Tributary to Northeast B?

It is owned by the County Highway Agency.