US Bridges

US 13 N & SR 20 W over Williams Pond

Fair

Sussex County, Delaware · S/E of Seaford · Structure no. 3253N003

Built
1952
73 years old, rebuilt 1996
Condition
Fair
inspected August 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
105 ft
3 main spans
Daily traffic
31,002
2023 count
Owner
State
State Highway Agency

About this bridge

US 13 N & SR 20 W over Williams Pond is a steel stringer/multi-beam or girder carrying US 13 N & SR 20 W over Williams Pond in Sussex County, Delaware. It was built in 1952 and reconstructed in 1996, so it is 73 years old, older than the Delaware average of 47.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 31,002 vehicles a day, roughly 8% of them trucks, projected to reach 32,000 by 2042. The structure is 105 ft (31.9 m) long and 34 ft wide.

CarriesUS 13 N & SR 20 W
CrossesWilliams Pond
LocationS/E of Seaford
RouteU.S. Route 13
Coordinates38.65022, -75.59406
Functional classRural Principal Arterial - Other

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to 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 rating44.3 US tons
Inventory rating34.3 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length105 ft (31.9 m)
Longest span35 ft (10.7 m)
Deck width34 ft (10.4 m)
Roadway width31 ft (9.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic31,002 (2023)
Projected traffic32,000 by 2042
Trucks8%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemYes

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$1 million
NavigationNo navigation control on waterway

Frequently asked questions

When was US 13 N & SR 20 W over Williams Pond built?

It was built in 1952, making it 73 years old in 2025. It was reconstructed in 1996.

What condition is US 13 N & SR 20 W over Williams Pond in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in August 2024.

How much traffic does US 13 N & SR 20 W over Williams Pond carry?

About 31,002 vehicles per day (2023 count), of which roughly 8% are trucks.

How long is US 13 N & SR 20 W over Williams Pond?

The structure is 105 ft (31.9 m) long with a longest span of 35 ft (10.7 m) and a deck 34 ft wide.

Who owns US 13 N & SR 20 W over Williams Pond?

It is owned by the State Highway Agency.