US Bridges

Frederica RD over Murderkill River

Fair

Kent County, Delaware · Frederica · Structure no. 2008F010

Built
2000
25 years old
Condition
Fair
inspected August 2022
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
127 ft
2 main spans
Daily traffic
2,576
2021 count
Owner
State
State Highway Agency

About this bridge

Frederica RD over Murderkill River is a prestressed concrete box beam or girders - multiple carrying Frederica RD over Murderkill River in Kent County, Delaware. It was built in 2000, so it is 25 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 2,576 vehicles a day, roughly 8% of them trucks, projected to reach 2,638 by 2042. The structure is 127 ft (38.7 m) long and 43 ft wide.

CarriesFrederica RD
CrossesMurderkill River
LocationFrederica
RouteCounty Highway 10
Coordinates39.00266, -75.46396
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
Deck8 Very GoodNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionAugust 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating71.8 US tons
Inventory rating55 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadH 20
Structure length127 ft (38.7 m)
Longest span58 ft (17.8 m)
Deck width43 ft (13 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,576 (2021)
Projected traffic2,638 by 2042
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Frederica RD over Murderkill River built?

It was built in 2000, making it 25 years old in 2025.

What condition is Frederica RD over Murderkill River 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 2022.

How much traffic does Frederica RD over Murderkill River carry?

About 2,576 vehicles per day (2021 count), of which roughly 8% are trucks.

How long is Frederica RD over Murderkill River?

The structure is 127 ft (38.7 m) long with a longest span of 58 ft (17.8 m) and a deck 43 ft wide.

Who owns Frederica RD over Murderkill River?

It is owned by the State Highway Agency.