US Bridges

Pine Bank Road over Holland Brook

Fair

Hunterdon County, New Jersey · 0.35MI.E of Roosevelt Rd. · Structure no. 1000140

Built
1923
102 years old, rebuilt 1996
Condition
Fair
inspected April 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
40 ft
1 main span
Daily traffic
375
2023 count
Owner
County
County Highway Agency

About this bridge

Pine Bank Road over Holland Brook is a steel stringer/multi-beam or girder carrying Pine Bank Road over Holland Brook in Hunterdon County, New Jersey. It was built in 1923 and reconstructed in 1996, so it is 102 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 375 vehicles a day, roughly 3% of them trucks, projected to reach 458 by 2043. The structure is 40 ft (12.2 m) long and 18 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

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CarriesPine Bank Road
CrossesHolland Brook
Location0.35MI.E of Roosevelt Rd.
RouteCity Street 0
CountyHunterdon County
StateNew Jersey
Coordinates40.57002, -74.76326
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating73 US tons
Inventory rating44 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length40 ft (12.2 m)
Longest span38 ft (11.6 m)
Deck width18 ft (5.5 m)
Roadway width18 ft (5.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic375 (2023)
Projected traffic458 by 2043
Trucks3%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$253,000 (2023 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Pine Bank Road over Holland Brook built?

It was built in 1923, making it 102 years old in 2025. It was reconstructed in 1996.

What condition is Pine Bank Road over Holland 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 April 2023.

How much traffic does Pine Bank Road over Holland Brook carry?

About 375 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is Pine Bank Road over Holland Brook?

The structure is 40 ft (12.2 m) long with a longest span of 38 ft (11.6 m) and a deck 18 ft wide.

Who owns Pine Bank Road over Holland Brook?

It is owned by the County Highway Agency.