US Bridges

Greenbelt Metro DR over I-495

Fair

Prince George's County, Maryland · 0.2 Mi. W. of Cherrywood · Structure no. 300000P-WM13010

Built
1989
36 years old
Condition
Fair
inspected April 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
686 ft
5 main spans
Daily traffic
3,326
2017 count
Owner
Railroad
Railroad

About this bridge

Greenbelt Metro DR over I-495 is a steel stringer/multi-beam or girder carrying Greenbelt Metro DR over I-495 in Prince George's County, Maryland. It was built in 1989, so it is 36 years old, younger 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 3,326 vehicles a day, projected to reach 4,060 by 2037. The structure is 686 ft (209.1 m) long and 32 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesGreenbelt Metro DR
CrossesI-495
Location0.2 Mi. W. of Cherrywood
CountyPrince George's County
StateMaryland
Coordinates39.01319, -76.90439
Functional classRural Principal Arterial - Interstate

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
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 alignment6: Equal to present minimum criteria
Operating rating46.5 US tons
Inventory rating28 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length686 ft (209.1 m)
Longest span140 ft (42.7 m)
Deck width32 ft (9.8 m)
Roadway width29 ft (8.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,326 (2017)
Projected traffic4,060 by 2037
Trucks—
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerRailroad
Maintained byRailroad
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Greenbelt Metro DR over I-495 built?

It was built in 1989, making it 36 years old in 2025.

What condition is Greenbelt Metro DR over I-495 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 Greenbelt Metro DR over I-495 carry?

About 3,326 vehicles per day (2017 count).

How long is Greenbelt Metro DR over I-495?

The structure is 686 ft (209.1 m) long with a longest span of 140 ft (42.7 m) and a deck 32 ft wide.

Who owns Greenbelt Metro DR over I-495?

It is owned by the Railroad.