US Bridges

I 495 SB over I 95 NB

Poor

New Castle County, Delaware · Christiana Interchange · Structure no. 1800 060

Built
1965
60 years old, rebuilt 1976
Condition
Poor
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
290 ft
4 main spans
Daily traffic
84,782
2023 count
Owner
State
State Highway Agency

About this bridge

I 495 SB over I 95 NB is a steel stringer/multi-beam or girder carrying I 495 SB over I 95 NB in New Castle County, Delaware. It was built in 1965 and reconstructed in 1976, so it is 60 years old, older than the Delaware average of 47.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 84,782 vehicles a day, roughly 15% of them trucks, projected to reach 48,087 by 2042. The structure is 290 ft (88.4 m) long and 58 ft wide.

Location

Open in Google Maps
CarriesI 495 SB
CrossesI 95 NB
LocationChristiana Interchange
RouteInterstate 495
CountyNew Castle County
StateDelaware
Coordinates39.7138, -75.58474
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating32.8 US tons
Inventory rating25.4 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20 + Mod
Structure length290 ft (88.4 m)
Longest span97 ft (29.6 m)
Deck width58 ft (17.6 m)
Roadway width54 ft (16.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic84,782 (2023)
Projected traffic48,087 by 2042
Trucks15%
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 495 SB over I 95 NB built?

It was built in 1965, making it 60 years old in 2025. It was reconstructed in 1976.

What condition is I 495 SB over I 95 NB in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in September 2024.

How much traffic does I 495 SB over I 95 NB carry?

About 84,782 vehicles per day (2023 count), of which roughly 15% are trucks.

How long is I 495 SB over I 95 NB?

The structure is 290 ft (88.4 m) long with a longest span of 97 ft (29.6 m) and a deck 58 ft wide.

Who owns I 495 SB over I 95 NB?

It is owned by the State Highway Agency.