US Bridges

Dupont BLVD/US113 over Wartons Branch

Fair

Sussex County, Delaware · North of Dagsboro · Structure no. 3504 113

Built
1911
114 years old, rebuilt 1965
Condition
Fair
inspected April 2023
Type
Culvert
Concrete
Length
29 ft
2 main spans
Daily traffic
23,985
2022 count
Owner
State
State Highway Agency

About this bridge

Dupont BLVD/US113 over Wartons Branch is a concrete culvert carrying Dupont BLVD/US113 over Wartons Branch in Sussex County, Delaware. It was built in 1911 and reconstructed in 1965, so it is 114 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 23,985 vehicles a day, roughly 7% of them trucks, projected to reach 26,258 by 2042. The structure is 29 ft (8.8 m) long and 104 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesDupont BLVD/US113
CrossesWartons Branch
LocationNorth of Dagsboro
RouteU.S. Route 113
CountySussex County
StateDelaware
Coordinates38.56208, -75.27464
Functional classRural Principal Arterial - Other

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 inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry9: Superior to present desirable criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating34.6 US tons
Inventory rating26.5 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadUnknown
Structure length29 ft (8.8 m)
Longest span13 ft (4 m)
Deck width104 ft (31.7 m)
Roadway width75 ft (22.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic23,985 (2022)
Projected traffic26,258 by 2042
Trucks7%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

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$131,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Dupont BLVD/US113 over Wartons Branch built?

It was built in 1911, making it 114 years old in 2025. It was reconstructed in 1965.

What condition is Dupont BLVD/US113 over Wartons Branch 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 April 2023.

How much traffic does Dupont BLVD/US113 over Wartons Branch carry?

About 23,985 vehicles per day (2022 count), of which roughly 7% are trucks.

How long is Dupont BLVD/US113 over Wartons Branch?

The structure is 29 ft (8.8 m) long with a longest span of 13 ft (4 m) and a deck 104 ft wide.

Who owns Dupont BLVD/US113 over Wartons Branch?

It is owned by the State Highway Agency.