US Bridges

Old Newark RD over Cool Run

Good

New Castle County, Delaware · S/E of Newark · Structure no. 1254 350

Built
2017
8 years old
Condition
Good
inspected October 2021
Type
Culvert
Concrete
Length
28 ft
1 main span
Daily traffic
2,706
2020 count
Owner
State
State Highway Agency

About this bridge

Old Newark RD over Cool Run is a concrete culvert carrying Old Newark RD over Cool Run in New Castle County, Delaware. It was built in 2017, so it is 8 years old, younger than the Delaware average of 47.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 2,706 vehicles a day, roughly 7% of them trucks, projected to reach 3,363 by 2042. The structure is 28 ft (8.4 m) long and 45 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesOld Newark RD
CrossesCool Run
LocationS/E of Newark
RouteCounty Highway 350
CountyNew Castle County
StateDelaware
Coordinates39.67451, -75.72018
Functional classUrban Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionOctober 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating69.7 US tons
Inventory rating53.9 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, precast panels
Main spans1
Design loadHL 93
Structure length28 ft (8.4 m)
Longest span28 ft (8.4 m)
Deck width45 ft (13.7 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,706 (2020)
Projected traffic3,363 by 2042
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

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$354,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Old Newark RD over Cool Run built?

It was built in 2017, making it 8 years old in 2025.

What condition is Old Newark RD over Cool Run in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in October 2021.

How much traffic does Old Newark RD over Cool Run carry?

About 2,706 vehicles per day (2020 count), of which roughly 7% are trucks.

How long is Old Newark RD over Cool Run?

The structure is 28 ft (8.4 m) long with a longest span of 28 ft (8.4 m) and a deck 45 ft wide.

Who owns Old Newark RD over Cool Run?

It is owned by the State Highway Agency.