US Bridges

I 495 over Hollyoak Creek

Fair

New Castle County, Delaware · Claymont · Structure no. 1828 060

Built
1972
53 years old
Condition
Fair
inspected February 2024
Type
Culvert
Concrete
Length
31 ft
3 main spans
Daily traffic
77,223
2022 count
Owner
State
State Highway Agency

About this bridge

I 495 over Hollyoak Creek is a concrete culvert carrying I 495 over Hollyoak Creek in New Castle County, Delaware. It was built in 1972, so it is 53 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 5 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 77,223 vehicles a day, roughly 14% of them trucks, projected to reach 83,421 by 2042. The structure is 31 ft (9.4 m) long. If it were closed, the detour would be 8.7 mi (14 km).

Location

Open in Google Maps
CarriesI 495
CrossesHollyoak Creek
LocationClaymont
RouteInterstate 495
CountyNew Castle County
StateDelaware
Coordinates39.78534, -75.47094
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
Channel and channel protection7 GoodSome minor problems.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating55.7 US tons
Inventory rating44 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20 + Mod
Structure length31 ft (9.4 m)
Longest span10 ft (2.9 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic77,223 (2022)
Projected traffic83,421 by 2042
Trucks14%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 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
NavigationNo navigation control on waterway

Frequently asked questions

When was I 495 over Hollyoak Creek built?

It was built in 1972, making it 53 years old in 2025.

What condition is I 495 over Hollyoak Creek 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 I 495 over Hollyoak Creek carry?

About 77,223 vehicles per day (2022 count), of which roughly 14% are trucks.

How long is I 495 over Hollyoak Creek?

The structure is 31 ft (9.4 m) long with a longest span of 10 ft (2.9 m).

Who owns I 495 over Hollyoak Creek?

It is owned by the State Highway Agency.