US Bridges

Coastal HWY/SR1 SB over Cedar Creek

Fair

Sussex County, Delaware · S/E of Milford · Structure no. 3933S014

Built
1972
53 years old
Condition
Fair
inspected July 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
85 ft
2 main spans
Daily traffic
12,515
2022 count
Owner
State
State Highway Agency

About this bridge

Coastal HWY/SR1 SB over Cedar Creek is a prestressed concrete box beam or girders - multiple carrying Coastal HWY/SR1 SB over Cedar Creek in Sussex County, Delaware. It was built in 1972, so it is 53 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 12,515 vehicles a day, roughly 14% of them trucks, projected to reach 12,553 by 2042. The structure is 85 ft (25.8 m) long and 44 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesCoastal HWY/SR1 SB
CrossesCedar Creek
LocationS/E of Milford
RouteState Highway 1
Coordinates38.87771, -75.35952
Functional classRural Principal Arterial - Other

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJuly 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 adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating81.5 US tons
Inventory rating62.8 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans2
Design loadHS 20
Structure length85 ft (25.8 m)
Longest span39 ft (12 m)
Deck width44 ft (13.3 m)
Roadway width40 ft (12.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic12,515 (2022)
Projected traffic12,553 by 2042
Trucks14%
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 HWY/SR1 SB over Cedar Creek built?

It was built in 1972, making it 53 years old in 2025.

What condition is Coastal HWY/SR1 SB over Cedar 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 July 2023.

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

About 12,515 vehicles per day (2022 count), of which roughly 14% are trucks.

How long is Coastal HWY/SR1 SB over Cedar Creek?

The structure is 85 ft (25.8 m) long with a longest span of 39 ft (12 m) and a deck 44 ft wide.

Who owns Coastal HWY/SR1 SB over Cedar Creek?

It is owned by the State Highway Agency.