US Bridges

Washington St. over Brandywine Ck Conrail

Fair

New Castle County, Delaware · Wilmington · Structure no. 1576 043

Built
1922
103 years old, rebuilt 2000
Condition
Fair
inspected April 2024
Type
Arch - Deck
Concrete
Length
630 ft
5 main spans
Daily traffic
10,601
2023 count
Owner
State
State Highway Agency

About this bridge

Washington St. over Brandywine Ck Conrail is a concrete arch - deck carrying Washington St. over Brandywine Ck Conrail in New Castle County, Delaware. It was built in 1922 and reconstructed in 2000, so it is 103 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 5 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 10,601 vehicles a day, roughly 7% of them trucks, projected to reach 14,055 by 2042. The structure is 630 ft (192 m) long and 73 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesWashington St.
CrossesBrandywine Ck Conrail
LocationWilmington
RouteCounty Highway 43
Coordinates39.75229, -75.54831
Functional classUrban Minor Arterial

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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.2 US tons
Inventory rating37.1 US tons

Structure

Structure typeArch - Deck
MaterialConcrete
DeckConcrete, cast-in-place
Main spans5
Design loadUnknown
Structure length630 ft (192 m)
Longest span250 ft (76.2 m)
Deck width73 ft (22.1 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,601 (2023)
Projected traffic14,055 by 2042
Trucks7%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway and waterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusListed on the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$7.8 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Washington St. over Brandywine Ck Conrail built?

It was built in 1922, making it 103 years old in 2025. It was reconstructed in 2000.

What condition is Washington St. over Brandywine Ck Conrail 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 2024.

How much traffic does Washington St. over Brandywine Ck Conrail carry?

About 10,601 vehicles per day (2023 count), of which roughly 7% are trucks.

How long is Washington St. over Brandywine Ck Conrail?

The structure is 630 ft (192 m) long with a longest span of 250 ft (76.2 m) and a deck 73 ft wide.

Who owns Washington St. over Brandywine Ck Conrail?

It is owned by the State Highway Agency.