US Bridges

Redden Rd. over Nanticoke River

Fair

Sussex County, Delaware · East of Bridgeville · Structure no. 3129 040

Built
1957
68 years old
Condition
Fair
inspected August 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
42 ft
1 main span
Daily traffic
3,013
2022 count
Owner
State
State Highway Agency

About this bridge

Redden Rd. over Nanticoke River is a prestressed concrete box beam or girders - multiple carrying Redden Rd. over Nanticoke River in Sussex County, Delaware. It was built in 1957, so it is 68 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 3,013 vehicles a day, roughly 12% of them trucks, projected to reach 2,958 by 2042. The structure is 42 ft (12.8 m) long and 45 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

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CarriesRedden Rd.
CrossesNanticoke River
LocationEast of Bridgeville
RouteCounty Highway 40
CountySussex County
StateDelaware
Coordinates38.74742, -75.58168
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating83.9 US tons
Inventory rating65.4 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length42 ft (12.8 m)
Longest span40 ft (12.3 m)
Deck width45 ft (13.8 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,013 (2022)
Projected traffic2,958 by 2042
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed0.6 mi (1 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Redden Rd. over Nanticoke River built?

It was built in 1957, making it 68 years old in 2025.

What condition is Redden Rd. over Nanticoke 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 2023.

How much traffic does Redden Rd. over Nanticoke River carry?

About 3,013 vehicles per day (2022 count), of which roughly 12% are trucks.

How long is Redden Rd. over Nanticoke River?

The structure is 42 ft (12.8 m) long with a longest span of 40 ft (12.3 m) and a deck 45 ft wide.

Who owns Redden Rd. over Nanticoke River?

It is owned by the State Highway Agency.