US Bridges

Bayard AVE./SR1A over Silver Lake

Fair

Sussex County, Delaware · South Rehoboth · Structure no. 3707 050

Built
1938
87 years old, rebuilt 1995
Condition
Fair
inspected September 2024
Type
Slab
Wood or Timber
Length
261 ft
13 main spans
Daily traffic
6,130
2023 count
Owner
State
State Highway Agency

About this bridge

Bayard AVE./SR1A over Silver Lake is a wood or timber slab carrying Bayard AVE./SR1A over Silver Lake in Sussex County, Delaware. It was built in 1938 and reconstructed in 1995, so it is 87 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 6,130 vehicles a day, roughly 5% of them trucks, projected to reach 12,815 by 2042. The structure is 261 ft (79.7 m) long and 33 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesBayard AVE./SR1A
CrossesSilver Lake
LocationSouth Rehoboth
RouteState Highway 1A
Coordinates38.70783, -75.08084
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating47.5 US tons
Inventory rating36.4 US tons

Structure

Structure typeSlab
MaterialWood or Timber
DeckConcrete, cast-in-place
Main spans13
Design loadH 15
Structure length261 ft (79.7 m)
Longest span20 ft (6.1 m)
Deck width33 ft (10.1 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,130 (2023)
Projected traffic12,815 by 2042
Trucks5%
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

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusEligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$1.3 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Bayard AVE./SR1A over Silver Lake built?

It was built in 1938, making it 87 years old in 2025. It was reconstructed in 1995.

What condition is Bayard AVE./SR1A over Silver Lake 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 2024.

How much traffic does Bayard AVE./SR1A over Silver Lake carry?

About 6,130 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is Bayard AVE./SR1A over Silver Lake?

The structure is 261 ft (79.7 m) long with a longest span of 20 ft (6.1 m) and a deck 33 ft wide.

Who owns Bayard AVE./SR1A over Silver Lake?

It is owned by the State Highway Agency.