US Bridges

Dupont HWY / US13S over Leipsic River

Fair

Kent County, Delaware · S. of Smyrna · Structure no. 2002C002

Built
1929
96 years old, rebuilt 1986
Condition
Fair
inspected November 2024
Type
Slab
Concrete
Length
53 ft
3 main spans
Daily traffic
13,623
2023 count
Owner
State
State Highway Agency

About this bridge

Dupont HWY / US13S over Leipsic River is a concrete slab carrying Dupont HWY / US13S over Leipsic River in Kent County, Delaware. It was built in 1929 and reconstructed in 1986, so it is 96 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 5 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 13,623 vehicles a day, roughly 12% of them trucks, projected to reach 19,699 by 2042. The structure is 53 ft (16.2 m) long and 35 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesDupont HWY / US13S
CrossesLeipsic River
LocationS. of Smyrna
RouteU.S. Route 13
CountyKent County
StateDelaware
Coordinates39.244, -75.58811
Functional classRural Minor Arterial

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.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no 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 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 rating33.6 US tons
Inventory rating26.1 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckNot applicable
Main spans3
Design loadUnknown
Structure length53 ft (16.2 m)
Longest span18 ft (5.6 m)
Deck width35 ft (10.8 m)
Roadway width32 ft (9.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic13,623 (2023)
Projected traffic19,699 by 2042
Trucks12%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 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 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 Dupont HWY / US13S over Leipsic River built?

It was built in 1929, making it 96 years old in 2025. It was reconstructed in 1986.

What condition is Dupont HWY / US13S over Leipsic 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 November 2024.

How much traffic does Dupont HWY / US13S over Leipsic River carry?

About 13,623 vehicles per day (2023 count), of which roughly 12% are trucks.

How long is Dupont HWY / US13S over Leipsic River?

The structure is 53 ft (16.2 m) long with a longest span of 18 ft (5.6 m) and a deck 35 ft wide.

Who owns Dupont HWY / US13S over Leipsic River?

It is owned by the State Highway Agency.