US Bridges

John J Williams Hy over Burton Prong

Good

Sussex County, Delaware · S.W. of Rehoboth · Structure no. 3709 024

Built
1939
86 years old
Condition
Good
inspected June 2023
Type
Culvert
Concrete
Length
26 ft
2 main spans
Daily traffic
18,035
2022 count
Owner
State
State Highway Agency

About this bridge

John J Williams Hy over Burton Prong is a concrete culvert carrying John J Williams Hy over Burton Prong in Sussex County, Delaware. It was built in 1939, so it is 86 years old, older 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 18,035 vehicles a day, roughly 14% of them trucks, projected to reach 19,562 by 2042. The structure is 26 ft (7.8 m) long and 39 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesJohn J Williams Hy
CrossesBurton Prong
LocationS.W. of Rehoboth
RouteState Highway 24
Coordinates38.67165, -75.18594
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
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionJune 2023
Inspection intervalevery 24 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 adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating47.2 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadH 20
Structure length26 ft (7.8 m)
Longest span12 ft (3.7 m)
Deck width39 ft (11.9 m)
Roadway width37 ft (11.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic18,035 (2022)
Projected traffic19,562 by 2042
Trucks14%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusEligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was John J Williams Hy over Burton Prong built?

It was built in 1939, making it 86 years old in 2025.

What condition is John J Williams Hy over Burton Prong 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 2023.

How much traffic does John J Williams Hy over Burton Prong carry?

About 18,035 vehicles per day (2022 count), of which roughly 14% are trucks.

How long is John J Williams Hy over Burton Prong?

The structure is 26 ft (7.8 m) long with a longest span of 12 ft (3.7 m) and a deck 39 ft wide.

Who owns John J Williams Hy over Burton Prong?

It is owned by the State Highway Agency.