US Bridges

I 95 NB over Darley RD

Fair

New Castle County, Delaware · North of Claymont · Structure no. 1791 059

Built
1966
59 years old
Condition
Fair
inspected February 2022
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
133 ft
3 main spans
Daily traffic
20,210
2020 count
Owner
State
State Highway Agency

About this bridge

I 95 NB over Darley RD is a steel continuous stringer/multi-beam or girder carrying I 95 NB over Darley RD in New Castle County, Delaware. It was built in 1966, so it is 59 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 20,210 vehicles a day, roughly 9% of them trucks, projected to reach 33,768 by 2042. The structure is 133 ft (40.4 m) long and 42 ft wide.

Location

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CarriesI 95 NB
CrossesDarley RD
LocationNorth of Claymont
RouteInterstate 95
CountyNew Castle County
StateDelaware
Coordinates39.81034, -75.45952
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating56.8 US tons
Inventory rating43.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length133 ft (40.4 m)
Longest span58 ft (17.7 m)
Deck width42 ft (12.8 m)
Roadway width37 ft (11.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20,210 (2020)
Projected traffic33,768 by 2042
Trucks9%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
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
NavigationNot applicable (no waterway)

Frequently asked questions

When was I 95 NB over Darley RD built?

It was built in 1966, making it 59 years old in 2025.

What condition is I 95 NB over Darley RD 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 February 2022.

How much traffic does I 95 NB over Darley RD carry?

About 20,210 vehicles per day (2020 count), of which roughly 9% are trucks.

How long is I 95 NB over Darley RD?

The structure is 133 ft (40.4 m) long with a longest span of 58 ft (17.7 m) and a deck 42 ft wide.

Who owns I 95 NB over Darley RD?

It is owned by the State Highway Agency.