US Bridges

I 95 NB over Silverside RD

Fair

New Castle County, Delaware · South of Naamans · Structure no. 1781 059

Built
1967
58 years old
Condition
Fair
inspected March 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
133 ft
3 main spans
Daily traffic
59,526
2021 count
Owner
State
State Highway Agency

About this bridge

I 95 NB over Silverside RD is a steel stringer/multi-beam or girder carrying I 95 NB over Silverside RD in New Castle County, Delaware. It was built in 1967, so it is 58 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 59,526 vehicles a day, roughly 9% of them trucks, projected to reach 38,460 by 2042. The structure is 133 ft (40.4 m) long and 43 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesI 95 NB
CrossesSilverside RD
LocationSouth of Naamans
RouteInterstate 95
CountyNew Castle County
StateDelaware
Coordinates39.79263, -75.48984
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.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating70 US tons
Inventory rating53.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length133 ft (40.4 m)
Longest span61 ft (18.5 m)
Deck width43 ft (13.1 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic59,526 (2021)
Projected traffic38,460 by 2042
Trucks9%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost$855,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was I 95 NB over Silverside RD built?

It was built in 1967, making it 58 years old in 2025.

What condition is I 95 NB over Silverside 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 March 2023.

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

About 59,526 vehicles per day (2021 count), of which roughly 9% are trucks.

How long is I 95 NB over Silverside RD?

The structure is 133 ft (40.4 m) long with a longest span of 61 ft (18.5 m) and a deck 43 ft wide.

Who owns I 95 NB over Silverside RD?

It is owned by the State Highway Agency.