US Bridges

John J Williams Hy over Indian River

Fair

Sussex County, Delaware · N. Millsboro Limits · Structure no. 3514 024

Built
1981
44 years old
Condition
Fair
inspected July 2021
Type
Stringer/Multi-beam or Girder
Steel
Length
74 ft
1 main span
Daily traffic
16,930
2020 count
Owner
State
State Highway Agency

About this bridge

John J Williams Hy over Indian River is a steel stringer/multi-beam or girder carrying John J Williams Hy over Indian River in Sussex County, Delaware. It was built in 1981, so it is 44 years old, younger 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 16,930 vehicles a day, roughly 12% of them trucks, projected to reach 21,042 by 2042. The structure is 74 ft (22.7 m) long and 60 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

Location

Open in Google Maps
CarriesJohn J Williams Hy
CrossesIndian River
LocationN. Millsboro Limits
RouteState Highway 24
CountySussex County
StateDelaware
Coordinates38.59449, -75.29096
Functional classRural Major Collector

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 inspectionJuly 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating72.9 US tons
Inventory rating56.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length74 ft (22.7 m)
Longest span70 ft (21.3 m)
Deck width60 ft (18.3 m)
Roadway width46 ft (14 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic16,930 (2020)
Projected traffic21,042 by 2042
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed8.7 mi (14 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 John J Williams Hy over Indian River built?

It was built in 1981, making it 44 years old in 2025.

What condition is John J Williams Hy over Indian River 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 July 2021.

How much traffic does John J Williams Hy over Indian River carry?

About 16,930 vehicles per day (2020 count), of which roughly 12% are trucks.

How long is John J Williams Hy over Indian River?

The structure is 74 ft (22.7 m) long with a longest span of 70 ft (21.3 m) and a deck 60 ft wide.

Who owns John J Williams Hy over Indian River?

It is owned by the State Highway Agency.