US Bridges

SR1 Southbound over Scott Run

Fair

New Castle County, Delaware · S. of St. Georges · Structure no. 1903S082

Built
1994
31 years old, rebuilt 2019
Condition
Fair
inspected August 2022
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
141 ft
2 main spans
Daily traffic
49,360
2021 count
Owner
State
State Highway Agency

About this bridge

SR1 Southbound over Scott Run is a prestressed concrete continuous stringer/multi-beam or girder carrying SR1 Southbound over Scott Run in New Castle County, Delaware. It was built in 1994 and reconstructed in 2019, so it is 31 years old, younger 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 49,360 vehicles a day, roughly 9% of them trucks, projected to reach 56,404 by 2042. The structure is 141 ft (43 m) long and 77 ft wide.

Location

Open in Google Maps
CarriesSR1 Southbound
CrossesScott Run
LocationS. of St. Georges
RouteState Highway 1
CountyNew Castle County
StateDelaware
Coordinates39.53569, -75.64972
Functional classRural Principal Arterial - Other

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionAugust 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59 US tons
Inventory rating45.3 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 25 or greater
Structure length141 ft (43 m)
Longest span64 ft (19.5 m)
Deck width77 ft (23.5 m)
Roadway width74 ft (22.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic49,360 (2021)
Projected traffic56,404 by 2042
Trucks9%
Lanes on structure4
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
TollOn a toll road
National Highway SystemYes
Strategic Highway NetworkNon-Interstate STRAHNET route

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—
NavigationNo navigation control on waterway

Frequently asked questions

When was SR1 Southbound over Scott Run built?

It was built in 1994, making it 31 years old in 2025. It was reconstructed in 2019.

What condition is SR1 Southbound over Scott Run 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 August 2022.

How much traffic does SR1 Southbound over Scott Run carry?

About 49,360 vehicles per day (2021 count), of which roughly 9% are trucks.

How long is SR1 Southbound over Scott Run?

The structure is 141 ft (43 m) long with a longest span of 64 ft (19.5 m) and a deck 77 ft wide.

Who owns SR1 Southbound over Scott Run?

It is owned by the State Highway Agency.