US Bridges

Union ST over Broadkill River

Good

Sussex County, Delaware · Milton · Structure no. 3809 022

Built
1993
32 years old
Condition
Good
inspected June 2021
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
40 ft
1 main span
Daily traffic
4,529
2020 count
Owner
State
State Highway Agency

About this bridge

Union ST over Broadkill River is a prestressed concrete box beam or girders - multiple carrying Union ST over Broadkill River in Sussex County, Delaware. It was built in 1993, so it is 32 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 4,529 vehicles a day, roughly 7% of them trucks, projected to reach 5,629 by 2042. The structure is 40 ft (12.3 m) long and 52 ft wide.

Location

Open in Google Maps
CarriesUnion ST
CrossesBroadkill River
LocationMilton
RouteState Highway 5
CountySussex County
StateDelaware
Coordinates38.77855, -75.31098
Functional classRural Major Collector

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 protection8 Very GoodNo problems noted.
Last inspectionJune 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating71.8 US tons
Inventory rating55.3 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length40 ft (12.3 m)
Longest span39 ft (11.9 m)
Deck width52 ft (16 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,529 (2020)
Projected traffic5,629 by 2042
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed—
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 Union ST over Broadkill River built?

It was built in 1993, making it 32 years old in 2025.

What condition is Union ST over Broadkill River 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 June 2021.

How much traffic does Union ST over Broadkill River carry?

About 4,529 vehicles per day (2020 count), of which roughly 7% are trucks.

How long is Union ST over Broadkill River?

The structure is 40 ft (12.3 m) long with a longest span of 39 ft (11.9 m) and a deck 52 ft wide.

Who owns Union ST over Broadkill River?

It is owned by the State Highway Agency.