US Bridges

Old Dupont Rd. over Little Mill Creek

Good

New Castle County, Delaware · Elsmere · Structure no. 1161 027A

Built
1926
99 years old, rebuilt 2000
Condition
Good
inspected February 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
38 ft
1 main span
Daily traffic
5,558
2021 count
Owner
State
State Highway Agency

About this bridge

Old Dupont Rd. over Little Mill Creek is a steel stringer/multi-beam or girder carrying Old Dupont Rd. over Little Mill Creek in New Castle County, Delaware. It was built in 1926 and reconstructed in 2000, so it is 99 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 5,558 vehicles a day, roughly 9% of them trucks, projected to reach 6,948 by 2042. The structure is 38 ft (11.6 m) long and 31 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesOld Dupont Rd.
CrossesLittle Mill Creek
LocationElsmere
RouteCounty Highway 27A
Coordinates39.73476, -75.58703
Functional classUrban Local

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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating63.6 US tons
Inventory rating48.9 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length38 ft (11.6 m)
Longest span34 ft (10.4 m)
Deck width31 ft (9.4 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,558 (2021)
Projected traffic6,948 by 2042
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed123.7 mi (199 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 Old Dupont Rd. over Little Mill Creek built?

It was built in 1926, making it 99 years old in 2025. It was reconstructed in 2000.

What condition is Old Dupont Rd. over Little Mill Creek 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 February 2023.

How much traffic does Old Dupont Rd. over Little Mill Creek carry?

About 5,558 vehicles per day (2021 count), of which roughly 9% are trucks.

How long is Old Dupont Rd. over Little Mill Creek?

The structure is 38 ft (11.6 m) long with a longest span of 34 ft (10.4 m) and a deck 31 ft wide.

Who owns Old Dupont Rd. over Little Mill Creek?

It is owned by the State Highway Agency.