US Bridges

Mulberry ST over Broadkill Creek

Fair

Sussex County, Delaware · Milton · Structure no. 3808 197

Built
1992
33 years old
Condition
Fair
inspected October 2022
Type
Stringer/Multi-beam or Girder
Steel
Length
57 ft
1 main span
Daily traffic
4,042
2021 count
Owner
State
State Highway Agency

About this bridge

Mulberry ST over Broadkill Creek is a steel stringer/multi-beam or girder carrying Mulberry ST over Broadkill Creek in Sussex County, Delaware. It was built in 1992, so it is 33 years old, younger than the Delaware average of 47.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 4,042 vehicles a day, roughly 9% of them trucks, projected to reach 9,123 by 2042. The structure is 57 ft (17.5 m) long and 40 ft wide.

Location

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CarriesMulberry ST
CrossesBroadkill Creek
LocationMilton
RouteCounty Highway 197
CountySussex County
StateDelaware
Coordinates38.77729, -75.31283
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating78.9 US tons
Inventory rating60.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length57 ft (17.5 m)
Longest span52 ft (15.7 m)
Deck width40 ft (12.2 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,042 (2021)
Projected traffic9,123 by 2042
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
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 proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$900,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Mulberry ST over Broadkill Creek built?

It was built in 1992, making it 33 years old in 2025.

What condition is Mulberry ST over Broadkill Creek in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in October 2022.

How much traffic does Mulberry ST over Broadkill Creek carry?

About 4,042 vehicles per day (2021 count), of which roughly 9% are trucks.

How long is Mulberry ST over Broadkill Creek?

The structure is 57 ft (17.5 m) long with a longest span of 52 ft (15.7 m) and a deck 40 ft wide.

Who owns Mulberry ST over Broadkill Creek?

It is owned by the State Highway Agency.