US Bridges

I 495 SB over Edgemoor RD

Fair

New Castle County, Delaware · Edgemoor · Structure no. 1821S060

Built
1975
50 years old, rebuilt 1987
Condition
Fair
inspected March 2021
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
234 ft
4 main spans
Daily traffic
42,783
2019 count
Owner
State
State Highway Agency

About this bridge

I 495 SB over Edgemoor RD is a steel continuous stringer/multi-beam or girder carrying I 495 SB over Edgemoor RD in New Castle County, Delaware. It was built in 1975 and reconstructed in 1987, 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 42,783 vehicles a day, roughly 9% of them trucks, projected to reach 53,681 by 2042. The structure is 234 ft (71.4 m) long and 70 ft wide.

Location

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CarriesI 495 SB
CrossesEdgemoor RD
LocationEdgemoor
RouteInterstate 495
CountyNew Castle County
StateDelaware
Coordinates39.75173, -75.50277
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2021
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 rating59.3 US tons
Inventory rating45.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20 + Mod
Structure length234 ft (71.4 m)
Longest span76 ft (23.3 m)
Deck width70 ft (21.2 m)
Roadway width67 ft (20.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic42,783 (2019)
Projected traffic53,681 by 2042
Trucks9%
Lanes on structure4
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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost$150,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was I 495 SB over Edgemoor RD built?

It was built in 1975, making it 50 years old in 2025. It was reconstructed in 1987.

What condition is I 495 SB over Edgemoor 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 2021.

How much traffic does I 495 SB over Edgemoor RD carry?

About 42,783 vehicles per day (2019 count), of which roughly 9% are trucks.

How long is I 495 SB over Edgemoor RD?

The structure is 234 ft (71.4 m) long with a longest span of 76 ft (23.3 m) and a deck 70 ft wide.

Who owns I 495 SB over Edgemoor RD?

It is owned by the State Highway Agency.