US Bridges

Shell Bridge Rd. over Trib of Broad Creek

Good

Sussex County, Delaware · S. of Bethel · Structure no. 3306 493

Built
1999
26 years old
Condition
Good
inspected June 2021
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
35 ft
1 main span
Daily traffic
978
2020 count
Owner
State
State Highway Agency

About this bridge

Shell Bridge Rd. over Trib of Broad Creek is a prestressed concrete box beam or girders - multiple carrying Shell Bridge Rd. over Trib of Broad Creek in Sussex County, Delaware. It was built in 1999, so it is 26 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 978 vehicles a day, roughly 13% of them trucks, projected to reach 1,215 by 2042. The structure is 35 ft (10.7 m) long and 32 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesShell Bridge Rd.
CrossesTrib of Broad Creek
LocationS. of Bethel
RouteCounty Highway 493
Coordinates38.5643, -75.62112
Functional classRural 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.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJune 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating56.8 US tons
Inventory rating44.6 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length35 ft (10.7 m)
Longest span33 ft (10 m)
Deck width32 ft (9.8 m)
Roadway width30 ft (9.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic978 (2020)
Projected traffic1,215 by 2042
Trucks13%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 Shell Bridge Rd. over Trib of Broad Creek built?

It was built in 1999, making it 26 years old in 2025.

What condition is Shell Bridge Rd. over Trib of Broad 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 June 2021.

How much traffic does Shell Bridge Rd. over Trib of Broad Creek carry?

About 978 vehicles per day (2020 count), of which roughly 13% are trucks.

How long is Shell Bridge Rd. over Trib of Broad Creek?

The structure is 35 ft (10.7 m) long with a longest span of 33 ft (10 m) and a deck 32 ft wide.

Who owns Shell Bridge Rd. over Trib of Broad Creek?

It is owned by the State Highway Agency.