US Bridges

Double Bridges RD over Miller Creek

Fair

Sussex County, Delaware · South of Ocean View · Structure no. 3456 363

Built
1986
39 years old
Condition
Fair
inspected August 2023
Type
Slab
Wood or Timber
Length
33 ft
1 main span
Daily traffic
3,100
2022 count
Owner
State
State Highway Agency

About this bridge

Double Bridges RD over Miller Creek is a wood or timber slab carrying Double Bridges RD over Miller Creek in Sussex County, Delaware. It was built in 1986, so it is 39 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 3,100 vehicles a day, roughly 12% of them trucks, projected to reach 3,300 by 2042. The structure is 33 ft (10 m) long and 34 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesDouble Bridges RD
CrossesMiller Creek
LocationSouth of Ocean View
RouteState Highway 54A
Coordinates38.51164, -75.10839
Functional classRural Major Collector

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating47.5 US tons
Inventory rating36.8 US tons

Structure

Structure typeSlab
MaterialWood or Timber
DeckWood or timber
Main spans1
Design loadHS 20
Structure length33 ft (10 m)
Longest span31 ft (9.4 m)
Deck width34 ft (10.4 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,100 (2022)
Projected traffic3,300 by 2042
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 Double Bridges RD over Miller Creek built?

It was built in 1986, making it 39 years old in 2025.

What condition is Double Bridges RD over Miller 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 August 2023.

How much traffic does Double Bridges RD over Miller Creek carry?

About 3,100 vehicles per day (2022 count), of which roughly 12% are trucks.

How long is Double Bridges RD over Miller Creek?

The structure is 33 ft (10 m) long with a longest span of 31 ft (9.4 m) and a deck 34 ft wide.

Who owns Double Bridges RD over Miller Creek?

It is owned by the State Highway Agency.