US Bridges

Mall RD over SR 1

Good

New Castle County, Delaware · Christiana Mall Entrance · Structure no. 1222 336A

Built
1991
34 years old
Condition
Good
inspected March 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
253 ft
2 main spans
Daily traffic
8,438
2022 count
Owner
State
State Highway Agency

About this bridge

Mall RD over SR 1 is a steel continuous stringer/multi-beam or girder carrying Mall RD over SR 1 in New Castle County, Delaware. It was built in 1991, so it is 34 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 8,438 vehicles a day, roughly 7% of them trucks, projected to reach 11,620 by 2042. The structure is 253 ft (77.1 m) long and 47 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

CarriesMall RD
CrossesSR 1
LocationChristiana Mall Entrance
RouteCounty Highway 336A
Coordinates39.6739, -75.65424
Functional classUrban Minor Arterial

Condition and inspection

Good

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating40.7 US tons
Inventory rating31.4 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length253 ft (77.1 m)
Longest span136 ft (41.5 m)
Deck width47 ft (14.2 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,438 (2022)
Projected traffic11,620 by 2042
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed2.5 mi (4 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 proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Mall RD over SR 1 built?

It was built in 1991, making it 34 years old in 2025.

What condition is Mall RD over SR 1 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 March 2024.

How much traffic does Mall RD over SR 1 carry?

About 8,438 vehicles per day (2022 count), of which roughly 7% are trucks.

How long is Mall RD over SR 1?

The structure is 253 ft (77.1 m) long with a longest span of 136 ft (41.5 m) and a deck 47 ft wide.

Who owns Mall RD over SR 1?

It is owned by the State Highway Agency.