US Bridges

Slaughter Beach RD over Slaughter Creek

Fair

Sussex County, Delaware · S. of Slaughter Bch · Structure no. 3924 224

Built
1975
50 years old
Condition
Fair
inspected September 2022
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
44 ft
1 main span
Daily traffic
533
2022 count
Owner
State
State Highway Agency

About this bridge

Slaughter Beach RD over Slaughter Creek is a prestressed concrete box beam or girders - multiple carrying Slaughter Beach RD over Slaughter Creek in Sussex County, Delaware. It was built in 1975, so it is 50 years old, older than the Delaware average of 47.3 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 533 vehicles a day, roughly 14% of them trucks, projected to reach 661 by 2042. The structure is 44 ft (13.4 m) long and 45 ft wide. If it were closed, the detour would be 7.5 mi (12 km).

Location

Open in Google Maps
CarriesSlaughter Beach RD
CrossesSlaughter Creek
LocationS. of Slaughter Bch
RouteCounty Highway 224
CountySussex County
StateDelaware
Coordinates38.90738, -75.30849
Functional classRural Major Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating65.4 US tons
Inventory rating50.7 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length44 ft (13.4 m)
Longest span39 ft (11.9 m)
Deck width45 ft (13.6 m)
Roadway width37 ft (11.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic533 (2022)
Projected traffic661 by 2042
Trucks14%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed7.5 mi (12 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Slaughter Beach RD over Slaughter Creek built?

It was built in 1975, making it 50 years old in 2025.

What condition is Slaughter Beach RD over Slaughter Creek 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 2022.

How much traffic does Slaughter Beach RD over Slaughter Creek carry?

About 533 vehicles per day (2022 count), of which roughly 14% are trucks.

How long is Slaughter Beach RD over Slaughter Creek?

The structure is 44 ft (13.4 m) long with a longest span of 39 ft (11.9 m) and a deck 45 ft wide.

Who owns Slaughter Beach RD over Slaughter Creek?

It is owned by the State Highway Agency.