US Bridges

Old Furnace RD over Deep Creek

Good

Sussex County, Delaware · East of Seaford · Structure no. 3240 046

Built
2010
15 years old
Condition
Good
inspected September 2022
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
63 ft
1 main span
Daily traffic
3,412
2021 count
Owner
State
State Highway Agency

About this bridge

Old Furnace RD over Deep Creek is a prestressed concrete box beam or girders - multiple carrying Old Furnace RD over Deep Creek in Sussex County, Delaware. It was built in 2010, so it is 15 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 3,412 vehicles a day, roughly 13% of them trucks, projected to reach 4,025 by 2042. The structure is 63 ft (19.2 m) long and 40 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesOld Furnace RD
CrossesDeep Creek
LocationEast of Seaford
RouteCounty Highway 46
CountySussex County
StateDelaware
Coordinates38.66591, -75.51456
Functional classRural Minor 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 inspectionSeptember 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating57.9 US tons
Inventory rating45 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length63 ft (19.2 m)
Longest span60 ft (18.3 m)
Deck width40 ft (12.3 m)
Roadway width37 ft (11.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,412 (2021)
Projected traffic4,025 by 2042
Trucks13%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$510,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Old Furnace RD over Deep Creek built?

It was built in 2010, making it 15 years old in 2025.

What condition is Old Furnace RD over Deep 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 September 2022.

How much traffic does Old Furnace RD over Deep Creek carry?

About 3,412 vehicles per day (2021 count), of which roughly 13% are trucks.

How long is Old Furnace RD over Deep Creek?

The structure is 63 ft (19.2 m) long with a longest span of 60 ft (18.3 m) and a deck 40 ft wide.

Who owns Old Furnace RD over Deep Creek?

It is owned by the State Highway Agency.