US Bridges

US301 NB over Sandy Branch

Good

New Castle County, Delaware · West of Middletown · Structure no. 1480N084

Built
2018
7 years old
Condition
Good
inspected September 2022
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
250 ft
2 main spans
Daily traffic
5,811
2021 count
Owner
State
State Highway Agency

About this bridge

US301 NB over Sandy Branch is a prestressed concrete stringer/multi-beam or girder carrying US301 NB over Sandy Branch in New Castle County, Delaware. It was built in 2018, so it is 7 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 5,811 vehicles a day, roughly 9% of them trucks, projected to reach 3,232 by 2042. The structure is 250 ft (76.2 m) long and 45 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesUS301 NB
CrossesSandy Branch
LocationWest of Middletown
RouteU.S. Route 301
CountyNew Castle County
StateDelaware
Coordinates39.44642, -75.75022
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.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry8: Equal to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating64.6 US tons
Inventory rating48.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHL 93
Structure length250 ft (76.2 m)
Longest span130 ft (39.6 m)
Deck width45 ft (13.7 m)
Roadway width42 ft (12.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,811 (2021)
Projected traffic3,232 by 2042
Trucks9%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a toll road
National Highway SystemYes
Strategic Highway NetworkNon-Interstate STRAHNET route

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 US301 NB over Sandy Branch built?

It was built in 2018, making it 7 years old in 2025.

What condition is US301 NB over Sandy Branch 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 September 2022.

How much traffic does US301 NB over Sandy Branch carry?

About 5,811 vehicles per day (2021 count), of which roughly 9% are trucks.

How long is US301 NB over Sandy Branch?

The structure is 250 ft (76.2 m) long with a longest span of 130 ft (39.6 m) and a deck 45 ft wide.

Who owns US301 NB over Sandy Branch?

It is owned by the State Highway Agency.