US Bridges

SR 9 / River RD over Army Creek

Good

New Castle County, Delaware · South of New Castle · Structure no. 1303 378

Built
1993
32 years old
Condition
Good
inspected March 2021
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
68 ft
1 main span
Daily traffic
6,460
2021 count
Owner
State
State Highway Agency

About this bridge

SR 9 / River RD over Army Creek is a prestressed concrete box beam or girders - multiple carrying SR 9 / River RD over Army Creek in New Castle County, Delaware. It was built in 1993, so it is 32 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 6,460 vehicles a day, roughly 9% of them trucks, projected to reach 7,953 by 2042. The structure is 68 ft (20.6 m) long and 39 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

CarriesSR 9 / River RD
CrossesArmy Creek
LocationSouth of New Castle
RouteState Highway 9
Coordinates39.65184, -75.58833
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.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating57.1 US tons
Inventory rating44.3 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length68 ft (20.6 m)
Longest span60 ft (18.3 m)
Deck width39 ft (11.8 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,460 (2021)
Projected traffic7,953 by 2042
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 9 / River RD over Army Creek built?

It was built in 1993, making it 32 years old in 2025.

What condition is SR 9 / River RD over Army 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 March 2021.

How much traffic does SR 9 / River RD over Army Creek carry?

About 6,460 vehicles per day (2021 count), of which roughly 9% are trucks.

How long is SR 9 / River RD over Army Creek?

The structure is 68 ft (20.6 m) long with a longest span of 60 ft (18.3 m) and a deck 39 ft wide.

Who owns SR 9 / River RD over Army Creek?

It is owned by the State Highway Agency.