US Bridges

Md 4 Wbr over Md 717

Poor

Prince George's County, Maryland · 0.65 Mile North of US 301 · Structure no. 100000160099014

Built
1959
66 years old
Condition
Poor
inspected March 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
92 ft
3 main spans
Daily traffic
46,652
2009 count
Owner
State
State Highway Agency

About this bridge

Md 4 Wbr over Md 717 is a steel stringer/multi-beam or girder carrying Md 4 Wbr over Md 717 in Prince George's County, Maryland. It was built in 1959, so it is 66 years old, older than the Maryland average of 52.6 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 46,652 vehicles a day, roughly 8% of them trucks, projected to reach 61,372 by 2029. The structure is 92 ft (28 m) long and 45 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesMd 4 Wbr
CrossesMd 717
Location0.65 Mile North of US 301
RouteState Highway 4
Coordinates38.81249, -76.74988
Functional classUrban Principal Arterial - Other Freeway or Expressway

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating82 US tons
Inventory rating48.9 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length92 ft (28 m)
Longest span43 ft (13.1 m)
Deck width45 ft (13.8 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic46,652 (2009)
Projected traffic61,372 by 2029
Trucks8%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
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 Md 4 Wbr over Md 717 built?

It was built in 1959, making it 66 years old in 2025.

What condition is Md 4 Wbr over Md 717 in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in March 2024.

How much traffic does Md 4 Wbr over Md 717 carry?

About 46,652 vehicles per day (2009 count), of which roughly 8% are trucks.

How long is Md 4 Wbr over Md 717?

The structure is 92 ft (28 m) long with a longest span of 43 ft (13.1 m) and a deck 45 ft wide.

Who owns Md 4 Wbr over Md 717?

It is owned by the State Highway Agency.