US Bridges

Kirkwood/St George over SR1

Good

New Castle County, Delaware · St. Georges · Structure no. 1306 409

Built
1995
30 years old
Condition
Good
inspected March 2021
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
218 ft
2 main spans
Daily traffic
2,092
2019 count
Owner
State
State Highway Agency

About this bridge

Kirkwood/St George over SR1 is a steel continuous stringer/multi-beam or girder carrying Kirkwood/St George over SR1 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 2,092 vehicles a day, roughly 11% of them trucks, projected to reach 2,624 by 2042. The structure is 218 ft (66.5 m) long and 47 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

CarriesKirkwood/St George
CrossesSR1
LocationSt. Georges
RouteCounty Highway 409
Coordinates39.55982, -75.66358
Functional classUrban Local

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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Last inspectionMarch 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating56.8 US tons
Inventory rating44 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 25 or greater
Structure length218 ft (66.5 m)
Longest span106 ft (32.2 m)
Deck width47 ft (14.2 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,092 (2019)
Projected traffic2,624 by 2042
Trucks11%
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 Kirkwood/St George over SR1 built?

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

What condition is Kirkwood/St George 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 March 2021.

How much traffic does Kirkwood/St George over SR1 carry?

About 2,092 vehicles per day (2019 count), of which roughly 11% are trucks.

How long is Kirkwood/St George over SR1?

The structure is 218 ft (66.5 m) long with a longest span of 106 ft (32.2 m) and a deck 47 ft wide.

Who owns Kirkwood/St George over SR1?

It is owned by the State Highway Agency.