US Bridges

Road a over SR1

Good

New Castle County, Delaware · Christiana Fashion Center · Structure no. 1220 336A

Built
2020
5 years old
Condition
Good
inspected November 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
252 ft
2 main spans
Daily traffic
5,089
2023 count
Owner
State
State Highway Agency

About this bridge

Road a over SR1 is a steel continuous stringer/multi-beam or girder carrying Road a over SR1 in New Castle County, Delaware. It was built in 2020, so it is 5 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 5,089 vehicles a day, roughly 8% of them trucks, projected to reach 5,810 by 2042. The structure is 252 ft (76.8 m) long and 58 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesRoad a
CrossesSR1
LocationChristiana Fashion Center
RouteState Highway 336A
Coordinates39.67371, -75.65422
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.
Substructure8 Very GoodNo problems noted.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating62.5 US tons
Inventory rating48.2 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHL 93
Structure length252 ft (76.8 m)
Longest span130 ft (39.6 m)
Deck width58 ft (17.6 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,089 (2023)
Projected traffic5,810 by 2042
Trucks8%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway and pedestrian
CrossesHighway
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 proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Road a over SR1 built?

It was built in 2020, making it 5 years old in 2025.

What condition is Road a over SR1 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 November 2024.

How much traffic does Road a over SR1 carry?

About 5,089 vehicles per day (2023 count), of which roughly 8% are trucks.

How long is Road a over SR1?

The structure is 252 ft (76.8 m) long with a longest span of 130 ft (39.6 m) and a deck 58 ft wide.

Who owns Road a over SR1?

It is owned by the State Highway Agency.