US Bridges

I 95 RD 59 over Brandywine Ck

Fair

New Castle County, Delaware · Wilmington · Structure no. 1759 059

Built
1964
61 years old, rebuilt 1984
Condition
Fair
inspected May 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
1,882 ft
13 main spans
Daily traffic
81,849
2023 count
Owner
State
State Highway Agency

About this bridge

I 95 RD 59 over Brandywine Ck is a steel continuous stringer/multi-beam or girder carrying I 95 RD 59 over Brandywine Ck in New Castle County, Delaware. It was built in 1964 and reconstructed in 1984, so it is 61 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 81,849 vehicles a day, roughly 14% of them trucks, projected to reach 127,595 by 2042. The structure is 1,882 ft (573.6 m) long and 109 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesI 95 RD 59
CrossesBrandywine Ck
LocationWilmington
RouteInterstate 95
Coordinates39.75643, -75.55251
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMay 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 geometry9: Superior to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating28.9 US tons
Inventory rating22.5 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans13
Design loadHS 20 + Mod
Structure length1,882 ft (573.6 m)
Longest span245 ft (74.7 m)
Deck width109 ft (33.2 m)
Roadway width102 ft (31.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic81,849 (2023)
Projected traffic127,595 by 2042
Trucks14%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway and waterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1 million
NavigationNo navigation control on waterway

Frequently asked questions

When was I 95 RD 59 over Brandywine Ck built?

It was built in 1964, making it 61 years old in 2025. It was reconstructed in 1984.

What condition is I 95 RD 59 over Brandywine Ck 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 May 2024.

How much traffic does I 95 RD 59 over Brandywine Ck carry?

About 81,849 vehicles per day (2023 count), of which roughly 14% are trucks.

How long is I 95 RD 59 over Brandywine Ck?

The structure is 1,882 ft (573.6 m) long with a longest span of 245 ft (74.7 m) and a deck 109 ft wide.

Who owns I 95 RD 59 over Brandywine Ck?

It is owned by the State Highway Agency.