US Bridges

Wiggins Mill Rd. over Cattail Branch

Fair

New Castle County, Delaware · N. Townsend Limits · Structure no. 1424 446

Built
1998
27 years old
Condition
Fair
inspected April 2021
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
49 ft
1 main span
Daily traffic
1,151
2019 count
Owner
State
State Highway Agency

About this bridge

Wiggins Mill Rd. over Cattail Branch is a prestressed concrete box beam or girders - multiple carrying Wiggins Mill Rd. over Cattail Branch in New Castle County, Delaware. It was built in 1998, so it is 27 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 1,151 vehicles a day, roughly 9% of them trucks, projected to reach 1,444 by 2042. The structure is 49 ft (15 m) long and 32 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesWiggins Mill Rd.
CrossesCattail Branch
LocationN. Townsend Limits
RouteCounty Highway 446
CountyNew Castle County
StateDelaware
Coordinates39.40344, -75.70423
Functional classRural Local

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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionApril 2021
Inspection intervalevery 48 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 adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating70.8 US tons
Inventory rating55.3 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length49 ft (15 m)
Longest span46 ft (14.1 m)
Deck width32 ft (9.8 m)
Roadway width29 ft (8.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,151 (2019)
Projected traffic1,444 by 2042
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 Wiggins Mill Rd. over Cattail Branch built?

It was built in 1998, making it 27 years old in 2025.

What condition is Wiggins Mill Rd. over Cattail Branch 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 April 2021.

How much traffic does Wiggins Mill Rd. over Cattail Branch carry?

About 1,151 vehicles per day (2019 count), of which roughly 9% are trucks.

How long is Wiggins Mill Rd. over Cattail Branch?

The structure is 49 ft (15 m) long with a longest span of 46 ft (14.1 m) and a deck 32 ft wide.

Who owns Wiggins Mill Rd. over Cattail Branch?

It is owned by the State Highway Agency.