US Bridges

Frederica Rd. over SR1 Bay Rd.

Fair

Kent County, Delaware · Frederica · Structure no. 2008E010A

Built
2011
14 years old
Condition
Fair
inspected August 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
201 ft
2 main spans
Daily traffic
1,339
2022 count
Owner
State
State Highway Agency

About this bridge

Frederica Rd. over SR1 Bay Rd. is a steel continuous stringer/multi-beam or girder carrying Frederica Rd. over SR1 Bay Rd. in Kent County, Delaware. It was built in 2011, so it is 14 years old, younger 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 1,339 vehicles a day, roughly 7% of them trucks, projected to reach 1,904 by 2042. The structure is 201 ft (61.2 m) long and 49 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

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CarriesFrederica Rd.
CrossesSR1 Bay Rd.
LocationFrederica
RouteCounty Highway 10A
CountyKent County
StateDelaware
Coordinates39.01486, -75.46086
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.
Substructure7 GoodSome minor problems.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36.4 US tons
Inventory rating28.2 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHL 93
Structure length201 ft (61.2 m)
Longest span92 ft (28.1 m)
Deck width49 ft (14.9 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,339 (2022)
Projected traffic1,904 by 2042
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed6.2 mi (10 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 proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Frederica Rd. over SR1 Bay Rd. built?

It was built in 2011, making it 14 years old in 2025.

What condition is Frederica Rd. over SR1 Bay Rd. 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 August 2023.

How much traffic does Frederica Rd. over SR1 Bay Rd. carry?

About 1,339 vehicles per day (2022 count), of which roughly 7% are trucks.

How long is Frederica Rd. over SR1 Bay Rd.?

The structure is 201 ft (61.2 m) long with a longest span of 92 ft (28.1 m) and a deck 49 ft wide.

Who owns Frederica Rd. over SR1 Bay Rd.?

It is owned by the State Highway Agency.