US Bridges

I 495 NB over Ramp 6217

Fair

New Castle County, Delaware · South of Wilmington · Structure no. 1805 060

Built
1975
50 years old
Condition
Fair
inspected March 2022
Type
Stringer/Multi-beam or Girder
Steel
Length
98 ft
1 main span
Daily traffic
30,758
2020 count
Owner
State
State Highway Agency

About this bridge

I 495 NB over Ramp 6217 is a steel stringer/multi-beam or girder carrying I 495 NB over Ramp 6217 in New Castle County, Delaware. It was built in 1975, so it is 50 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 30,758 vehicles a day, roughly 9% of them trucks, projected to reach 31,241 by 2042. The structure is 98 ft (29.9 m) long and 57 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

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CarriesI 495 NB
CrossesRamp 6217
LocationSouth of Wilmington
RouteInterstate 6217
CountyNew Castle County
StateDelaware
Coordinates39.71689, -75.56003
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 inspectionMarch 2022
Inspection intervalevery 48 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 rating53.6 US tons
Inventory rating41.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length98 ft (29.9 m)
Longest span94 ft (28.7 m)
Deck width57 ft (17.3 m)
Roadway width53 ft (16.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic30,758 (2020)
Projected traffic31,241 by 2042
Trucks9%
Lanes on structure3
Traffic directionOne-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed5 mi (8 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
NavigationNot applicable (no waterway)

Frequently asked questions

When was I 495 NB over Ramp 6217 built?

It was built in 1975, making it 50 years old in 2025.

What condition is I 495 NB over Ramp 6217 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 2022.

How much traffic does I 495 NB over Ramp 6217 carry?

About 30,758 vehicles per day (2020 count), of which roughly 9% are trucks.

How long is I 495 NB over Ramp 6217?

The structure is 98 ft (29.9 m) long with a longest span of 94 ft (28.7 m) and a deck 57 ft wide.

Who owns I 495 NB over Ramp 6217?

It is owned by the State Highway Agency.