US Bridges

Co. Fairgrounds RD over Dry Brook

Fair

Sussex County, New Jersey · 0.1 MI SE of CR 519 · Structure no. 1900B10

Built
1930
95 years old, rebuilt 2019
Condition
Fair
inspected September 2023
Type
Slab
Wood or Timber
Length
24 ft
1 main span
Daily traffic
691
2023 count
Owner
County
County Highway Agency

About this bridge

Co. Fairgrounds RD over Dry Brook is a wood or timber slab carrying Co. Fairgrounds RD over Dry Brook in Sussex County, New Jersey. It was built in 1930 and reconstructed in 2019, so it is 95 years old, older than the New Jersey average of 58.5 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 691 vehicles a day, roughly 3% of them trucks, projected to reach 843 by 2043. The structure is 24 ft (7.3 m) long and 14 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesCo. Fairgrounds RD
CrossesDry Brook
Location0.1 MI SE of CR 519
RouteCity Street 0
CountySussex County
StateNew Jersey
Coordinates41.14794, -74.74715
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
Deck9 ExcellentNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating94.7 US tons
Inventory rating73.2 US tons

Structure

Structure typeSlab
MaterialWood or Timber
DeckWood or timber
Main spans1
Design loadHL 93
Structure length24 ft (7.3 m)
Longest span23 ft (7 m)
Deck width14 ft (4.3 m)
Roadway width12 ft (3.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic691 (2023)
Projected traffic843 by 2043
Trucks3%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$153,000 (2023 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Co. Fairgrounds RD over Dry Brook built?

It was built in 1930, making it 95 years old in 2025. It was reconstructed in 2019.

What condition is Co. Fairgrounds RD over Dry Brook 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 September 2023.

How much traffic does Co. Fairgrounds RD over Dry Brook carry?

About 691 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is Co. Fairgrounds RD over Dry Brook?

The structure is 24 ft (7.3 m) long with a longest span of 23 ft (7 m) and a deck 14 ft wide.

Who owns Co. Fairgrounds RD over Dry Brook?

It is owned by the County Highway Agency.