US Bridges

SR 1 SB over Dragon Creek

Good

New Castle County, Delaware · N/W of St. Georges · Structure no. 1901S082

Built
1995
30 years old
Condition
Good
inspected April 2021
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
263 ft
4 main spans
Daily traffic
36,078
2020 count
Owner
State
State Highway Agency

About this bridge

SR 1 SB over Dragon Creek is a prestressed concrete continuous stringer/multi-beam or girder carrying SR 1 SB over Dragon Creek in New Castle County, Delaware. It was built in 1995, so it is 30 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 36,078 vehicles a day, roughly 9% of them trucks, projected to reach 44,842 by 2042. The structure is 263 ft (80.1 m) long and 63 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesSR 1 SB
CrossesDragon Creek
LocationN/W of St. Georges
RouteState Highway 1
Coordinates39.5653, -75.66315
Functional classUrban Other Principal 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.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionApril 2021
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 rating59.6 US tons
Inventory rating46.7 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 25 or greater
Structure length263 ft (80.1 m)
Longest span64 ft (19.5 m)
Deck width63 ft (19.1 m)
Roadway width60 ft (18.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic36,078 (2020)
Projected traffic44,842 by 2042
Trucks9%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 km)
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 SR 1 SB over Dragon Creek built?

It was built in 1995, making it 30 years old in 2025.

What condition is SR 1 SB over Dragon Creek 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 April 2021.

How much traffic does SR 1 SB over Dragon Creek carry?

About 36,078 vehicles per day (2020 count), of which roughly 9% are trucks.

How long is SR 1 SB over Dragon Creek?

The structure is 263 ft (80.1 m) long with a longest span of 64 ft (19.5 m) and a deck 63 ft wide.

Who owns SR 1 SB over Dragon Creek?

It is owned by the State Highway Agency.