US Bridges

1st Street over Lake Gerar

Good

Sussex County, Delaware · Rehoboth Beach · Structure no. 3706 000

Built
2008
17 years old
Condition
Good
inspected September 2023
Type
Arch - Deck
Concrete
Length
28 ft
1 main span
Daily traffic
99
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

1st Street over Lake Gerar is a concrete arch - deck carrying 1st Street over Lake Gerar in Sussex County, Delaware. It was built in 2008, so it is 17 years old, younger than the Delaware average of 47.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 99 vehicles a day, roughly 11% of them trucks, projected to reach 123 by 2042. The structure is 28 ft (8.5 m) long and 52 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Carries1st Street
CrossesLake Gerar
LocationRehoboth Beach
RouteCity Street 0
Coordinates38.72023, -75.07993
Functional classUrban Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 2023
Inspection intervalevery 24 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 adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating39.2 US tons
Inventory rating30.3 US tons

Structure

Structure typeArch - Deck
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHL 93
Structure length28 ft (8.5 m)
Longest span28 ft (8.5 m)
Deck width52 ft (15.9 m)
Roadway width32 ft (9.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic99 (2022)
Projected traffic123 by 2042
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was 1st Street over Lake Gerar built?

It was built in 2008, making it 17 years old in 2025.

What condition is 1st Street over Lake Gerar in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in September 2023.

How much traffic does 1st Street over Lake Gerar carry?

About 99 vehicles per day (2022 count), of which roughly 11% are trucks.

How long is 1st Street over Lake Gerar?

The structure is 28 ft (8.5 m) long with a longest span of 28 ft (8.5 m) and a deck 52 ft wide.

Who owns 1st Street over Lake Gerar?

It is owned by the City or Municipal Highway Agency.