US Bridges

Coastal HGWY/SR1 over Cedar Creek

Good

Sussex County, Delaware · Argos Corner · Structure no. 3933N014

Built
1999
26 years old
Condition
Good
inspected July 2021
Type
Box Beam or Girders - Multiple
Prestressed Concrete Continuous
Length
84 ft
2 main spans
Daily traffic
10,100
2020 count
Owner
State
State Highway Agency

About this bridge

Coastal HGWY/SR1 over Cedar Creek is a prestressed concrete continuous box beam or girders - multiple carrying Coastal HGWY/SR1 over Cedar Creek in Sussex County, Delaware. It was built in 1999, so it is 26 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 10,100 vehicles a day, roughly 12% of them trucks, projected to reach 12,553 by 2042. The structure is 84 ft (25.6 m) long and 42 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesCoastal HGWY/SR1
CrossesCedar Creek
LocationArgos Corner
RouteState Highway 1
Coordinates38.87795, -75.35934
Functional classRural Principal Arterial - Other

Condition and inspection

Good

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than 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 rating51.5 US tons
Inventory rating41.1 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHL 93
Structure length84 ft (25.6 m)
Longest span39 ft (11.9 m)
Deck width42 ft (12.8 m)
Roadway width39 ft (12 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,100 (2020)
Projected traffic12,553 by 2042
Trucks12%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Coastal HGWY/SR1 over Cedar Creek built?

It was built in 1999, making it 26 years old in 2025.

What condition is Coastal HGWY/SR1 over Cedar Creek 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 July 2021.

How much traffic does Coastal HGWY/SR1 over Cedar Creek carry?

About 10,100 vehicles per day (2020 count), of which roughly 12% are trucks.

How long is Coastal HGWY/SR1 over Cedar Creek?

The structure is 84 ft (25.6 m) long with a longest span of 39 ft (11.9 m) and a deck 42 ft wide.

Who owns Coastal HGWY/SR1 over Cedar Creek?

It is owned by the State Highway Agency.