US Bridges

N. Dupont Blvd over SR 1 Milford Bypass

Good

Kent County, Delaware · Just North of Milford · Structure no. 2008J008

Built
1971
54 years old
Condition
Good
inspected July 2021
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
220 ft
2 main spans
Daily traffic
16,117
2020 count
Owner
State
State Highway Agency

About this bridge

N. Dupont Blvd over SR 1 Milford Bypass is a steel continuous stringer/multi-beam or girder carrying N. Dupont Blvd over SR 1 Milford Bypass in Kent County, Delaware. It was built in 1971, so it is 54 years old, older than the Delaware average of 47.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 16,117 vehicles a day, roughly 7% of them trucks, projected to reach 20,032 by 2042. The structure is 220 ft (67.1 m) long and 32 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

Location

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CarriesN. Dupont Blvd
CrossesSR 1 Milford Bypass
LocationJust North of Milford
RouteU.S. Route 113
CountyKent County
StateDelaware
Coordinates38.93752, -75.42774
Functional classRural Principal Arterial - Other

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Last inspectionJuly 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating50 US tons
Inventory rating38.6 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length220 ft (67.1 m)
Longest span107 ft (32.6 m)
Deck width32 ft (9.8 m)
Roadway width29 ft (8.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic16,117 (2020)
Projected traffic20,032 by 2042
Trucks7%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed2.5 mi (4 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was N. Dupont Blvd over SR 1 Milford Bypass built?

It was built in 1971, making it 54 years old in 2025.

What condition is N. Dupont Blvd over SR 1 Milford Bypass in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in July 2021.

How much traffic does N. Dupont Blvd over SR 1 Milford Bypass carry?

About 16,117 vehicles per day (2020 count), of which roughly 7% are trucks.

How long is N. Dupont Blvd over SR 1 Milford Bypass?

The structure is 220 ft (67.1 m) long with a longest span of 107 ft (32.6 m) and a deck 32 ft wide.

Who owns N. Dupont Blvd over SR 1 Milford Bypass?

It is owned by the State Highway Agency.