US Bridges

I 495 SB over Norfolk Southern&amtrak

Fair

New Castle County, Delaware · Edgemoor · Structure no. 1822S060

Built
1976
49 years old
Condition
Fair
inspected June 2022
Type
Stringer/Multi-beam or Girder
Steel
Length
525 ft
4 main spans
Daily traffic
69,555
2021 count
Owner
State
State Highway Agency

About this bridge

I 495 SB over Norfolk Southern&amtrak is a steel stringer/multi-beam or girder carrying I 495 SB over Norfolk Southern&amtrak in New Castle County, Delaware. It was built in 1976, so it is 49 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 69,555 vehicles a day, roughly 15% of them trucks, projected to reach 41,649 by 2042. The structure is 525 ft (160 m) long and 54 ft wide.

Location

Open in Google Maps
CarriesI 495 SB
CrossesNorfolk Southern&amtrak
LocationEdgemoor
RouteInterstate 495
CountyNew Castle County
StateDelaware
Coordinates39.75334, -75.50078
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 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 rating59 US tons
Inventory rating45.3 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20 + Mod
Structure length525 ft (160 m)
Longest span147 ft (44.8 m)
Deck width54 ft (16.4 m)
Roadway width51 ft (15.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic69,555 (2021)
Projected traffic41,649 by 2042
Trucks15%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway and railroad
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 proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was I 495 SB over Norfolk Southern&amtrak built?

It was built in 1976, making it 49 years old in 2025.

What condition is I 495 SB over Norfolk Southern&amtrak 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 June 2022.

How much traffic does I 495 SB over Norfolk Southern&amtrak carry?

About 69,555 vehicles per day (2021 count), of which roughly 15% are trucks.

How long is I 495 SB over Norfolk Southern&amtrak?

The structure is 525 ft (160 m) long with a longest span of 147 ft (44.8 m) and a deck 54 ft wide.

Who owns I 495 SB over Norfolk Southern&amtrak?

It is owned by the State Highway Agency.