US Bridges

Powder MILL/SR141 over Rockland Road

Good

New Castle County, Delaware · N/W of Blueball · Structure no. 1011N267

Built
1997
28 years old
Condition
Good
inspected March 2023
Type
Frame
Concrete
Length
58 ft
1 main span
Daily traffic
12,703
2021 count
Owner
State
State Highway Agency

About this bridge

Powder MILL/SR141 over Rockland Road is a concrete frame carrying Powder MILL/SR141 over Rockland Road in New Castle County, Delaware. It was built in 1997, so it is 28 years old, younger 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 12,703 vehicles a day, roughly 8% of them trucks, projected to reach 16,352 by 2042. The structure is 58 ft (17.7 m) long and 51 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesPowder MILL/SR141
CrossesRockland Road
LocationN/W of Blueball
RouteState Highway 141
CountyNew Castle County
StateDelaware
Coordinates39.78429, -75.55837
Functional classUrban Other Principal Arterial

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.
Last inspectionMarch 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating51.8 US tons
Inventory rating40 US tons

Structure

Structure typeFrame
MaterialConcrete
DeckConcrete, precast panels
Main spans1
Design loadHS 25 or greater
Structure length58 ft (17.7 m)
Longest span54 ft (16.5 m)
Deck width51 ft (15.5 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic12,703 (2021)
Projected traffic16,352 by 2042
Trucks8%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway and pedestrian
CrossesHighway
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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Powder MILL/SR141 over Rockland Road built?

It was built in 1997, making it 28 years old in 2025.

What condition is Powder MILL/SR141 over Rockland Road 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 March 2023.

How much traffic does Powder MILL/SR141 over Rockland Road carry?

About 12,703 vehicles per day (2021 count), of which roughly 8% are trucks.

How long is Powder MILL/SR141 over Rockland Road?

The structure is 58 ft (17.7 m) long with a longest span of 54 ft (16.5 m) and a deck 51 ft wide.

Who owns Powder MILL/SR141 over Rockland Road?

It is owned by the State Highway Agency.