US Bridges

Md 611 over Sinepuxent Bay

Fair

Worcester County, Maryland · 0.17 M S of South Pt RD · Structure no. 100000230018010

Built
1964
61 years old
Condition
Fair
inspected July 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
1,642 ft
31 main spans
Daily traffic
6,115
2024 count
Owner
State
State Highway Agency

About this bridge

Md 611 over Sinepuxent Bay is a prestressed concrete box beam or girders - multiple carrying Md 611 over Sinepuxent Bay in Worcester County, Maryland. It was built in 1964, so it is 61 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 6,115 vehicles a day, roughly 8% of them trucks, projected to reach 7,398 by 2044. The structure is 1,642 ft (500.5 m) long and 29 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

Location

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CarriesMd 611
CrossesSinepuxent Bay
Location0.17 M S of South Pt RD
RouteState Highway 611
CountyWorcester County
StateMaryland
Coordinates38.244, -75.14756
Functional classRural Minor Arterial

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 inspectionJuly 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
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating45 US tons
Inventory rating27 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans31
Design loadHS 20
Structure length1,642 ft (500.5 m)
Longest span94 ft (28.7 m)
Deck width29 ft (8.9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,115 (2024)
Projected traffic7,398 by 2044
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$3.2 million
NavigationNavigation control on waterway (bridge permit required)

Frequently asked questions

When was Md 611 over Sinepuxent Bay built?

It was built in 1964, making it 61 years old in 2025.

What condition is Md 611 over Sinepuxent Bay 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 July 2023.

How much traffic does Md 611 over Sinepuxent Bay carry?

About 6,115 vehicles per day (2024 count), of which roughly 8% are trucks.

How long is Md 611 over Sinepuxent Bay?

The structure is 1,642 ft (500.5 m) long with a longest span of 94 ft (28.7 m) and a deck 29 ft wide.

Who owns Md 611 over Sinepuxent Bay?

It is owned by the State Highway Agency.