US Bridges

US13/DUPONT Hwgy over Puncheon Run

Fair

Kent County, Delaware · Dover · Structure no. 2024B024

Built
1951
74 years old, rebuilt 1991
Condition
Fair
inspected October 2023
Type
Culvert
Concrete
Length
43 ft
4 main spans
Daily traffic
22,808
2022 count
Owner
State
State Highway Agency

About this bridge

US13/DUPONT Hwgy over Puncheon Run is a concrete culvert carrying US13/DUPONT Hwgy over Puncheon Run in Kent County, Delaware. It was built in 1951 and reconstructed in 1991, so it is 74 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 22,808 vehicles a day, roughly 7% of them trucks, projected to reach 24,969 by 2042. The structure is 43 ft (13 m) long and 126 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesUS13/DUPONT Hwgy
CrossesPuncheon Run
LocationDover
RouteU.S. Route 13
Coordinates39.13907, -75.52436
Functional classUrban Other Principal 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
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2023
Inspection intervalevery 24 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 rating37.8 US tons
Inventory rating26.8 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length43 ft (13 m)
Longest span12 ft (3.7 m)
Deck width126 ft (38.4 m)
Roadway width123 ft (37.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic22,808 (2022)
Projected traffic24,969 by 2042
Trucks7%
Lanes on structure4
Traffic directionTwo-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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was US13/DUPONT Hwgy over Puncheon Run built?

It was built in 1951, making it 74 years old in 2025. It was reconstructed in 1991.

What condition is US13/DUPONT Hwgy over Puncheon Run 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 October 2023.

How much traffic does US13/DUPONT Hwgy over Puncheon Run carry?

About 22,808 vehicles per day (2022 count), of which roughly 7% are trucks.

How long is US13/DUPONT Hwgy over Puncheon Run?

The structure is 43 ft (13 m) long with a longest span of 12 ft (3.7 m) and a deck 126 ft wide.

Who owns US13/DUPONT Hwgy over Puncheon Run?

It is owned by the State Highway Agency.