US Bridges

SR 12/FEDERICA Rd. over Spring Creek

Good

Kent County, Delaware · Frederica · Structure no. 2008G010

Built
1996
29 years old
Condition
Good
inspected August 2022
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
101 ft
1 main span
Daily traffic
1,707
2021 count
Owner
State
State Highway Agency

About this bridge

SR 12/FEDERICA Rd. over Spring Creek is a prestressed concrete box beam or girders - multiple carrying SR 12/FEDERICA Rd. over Spring Creek in Kent County, Delaware. It was built in 1996, so it is 29 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 1,707 vehicles a day, roughly 9% of them trucks, projected to reach 2,673 by 2042. The structure is 101 ft (30.9 m) long and 57 ft wide.

CarriesSR 12/FEDERICA Rd.
CrossesSpring Creek
LocationFrederica
RouteState Highway 12
Coordinates39.01355, -75.46354
Functional classRural Major Collector

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 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 geometry7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating76.8 US tons
Inventory rating48.6 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length101 ft (30.9 m)
Longest span92 ft (28 m)
Deck width57 ft (17.3 m)
Roadway width43 ft (13.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,707 (2021)
Projected traffic2,673 by 2042
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed—
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 12/FEDERICA Rd. over Spring Creek built?

It was built in 1996, making it 29 years old in 2025.

What condition is SR 12/FEDERICA Rd. over Spring 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 August 2022.

How much traffic does SR 12/FEDERICA Rd. over Spring Creek carry?

About 1,707 vehicles per day (2021 count), of which roughly 9% are trucks.

How long is SR 12/FEDERICA Rd. over Spring Creek?

The structure is 101 ft (30.9 m) long with a longest span of 92 ft (28 m) and a deck 57 ft wide.

Who owns SR 12/FEDERICA Rd. over Spring Creek?

It is owned by the State Highway Agency.