US Bridges

Zoar Rd. over Morris Mill Pond

FairPosted for load

Sussex County, Delaware · North of Millsboro · Structure no. 3673 048

Built
1932
93 years old
Condition
Fair
inspected June 2023
Type
Slab
Concrete
Length
26 ft
1 main span
Daily traffic
6,149
2022 count
Owner
State
State Highway Agency

About this bridge

Zoar Rd. over Morris Mill Pond is a concrete slab carrying Zoar Rd. over Morris Mill Pond in Sussex County, Delaware. It was built in 1932, so it is 93 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. Its operating status is: posted for load restriction.

It carries about 6,149 vehicles a day, roughly 12% of them trucks, projected to reach 7,496 by 2042. The structure is 26 ft (7.9 m) long and 27 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesZoar Rd.
CrossesMorris Mill Pond
LocationNorth of Millsboro
RouteCounty Highway 48
CountySussex County
StateDelaware
Coordinates38.63858, -75.31603
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating33.6 US tons
Inventory rating26.1 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckNot applicable
Main spans1
Design loadH 20
Structure length26 ft (7.9 m)
Longest span24 ft (7.3 m)
Deck width27 ft (8.2 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,149 (2022)
Projected traffic7,496 by 2042
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$105,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Zoar Rd. over Morris Mill Pond built?

It was built in 1932, making it 93 years old in 2025.

What condition is Zoar Rd. over Morris Mill 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 June 2023.

How much traffic does Zoar Rd. over Morris Mill Pond carry?

About 6,149 vehicles per day (2022 count), of which roughly 12% are trucks.

How long is Zoar Rd. over Morris Mill Pond?

The structure is 26 ft (7.9 m) long with a longest span of 24 ft (7.3 m) and a deck 27 ft wide.

Who owns Zoar Rd. over Morris Mill Pond?

It is owned by the State Highway Agency.