US Bridges

I495SB to US13 over US 13

Fair

New Castle County, Delaware · South of Wilmington · Structure no. 1808 6217

Built
1975
50 years old
Condition
Fair
inspected February 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
218 ft
2 main spans
Daily traffic
8,689
2022 count
Owner
State
State Highway Agency

About this bridge

I495SB to US13 over US 13 is a steel continuous stringer/multi-beam or girder carrying I495SB to US13 over US 13 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 8,689 vehicles a day, roughly 9% of them trucks, projected to reach 10,799 by 2042. The structure is 218 ft (66.4 m) long and 32 ft wide.

Location

Open in Google Maps
CarriesI495SB to US13
CrossesUS 13
LocationSouth of Wilmington
RouteInterstate 495
CountyNew Castle County
StateDelaware
Coordinates39.71781, -75.55674
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 inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating54.7 US tons
Inventory rating42.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20 + Mod
Structure length218 ft (66.4 m)
Longest span107 ft (32.6 m)
Deck width32 ft (9.9 m)
Roadway width29 ft (8.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,689 (2022)
Projected traffic10,799 by 2042
Trucks9%
Lanes on structure1
Traffic directionOne-way traffic
CarriesOverpass structure at an interchange
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 I495SB to US13 over US 13 built?

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

What condition is I495SB to US13 over US 13 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 February 2024.

How much traffic does I495SB to US13 over US 13 carry?

About 8,689 vehicles per day (2022 count), of which roughly 9% are trucks.

How long is I495SB to US13 over US 13?

The structure is 218 ft (66.4 m) long with a longest span of 107 ft (32.6 m) and a deck 32 ft wide.

Who owns I495SB to US13 over US 13?

It is owned by the State Highway Agency.