US Bridges

Pleasant Plains RD over Great Brook

PoorPosted for load

Morris County, New Jersey · Pleasant Plains Road · Structure no. 000052530-00390

Built
1922
103 years old, rebuilt 1988
Condition
Poor
inspected August 2023
Type
Truss - Thru
Steel
Length
77 ft
1 main span
Daily traffic
50
2023 count
Owner
Federal
Bureau of Fish and Wildlife

About this bridge

Pleasant Plains RD over Great Brook is a steel truss - thru carrying Pleasant Plains RD over Great Brook in Morris County, New Jersey. It was built in 1922 and reconstructed in 1988, so it is 103 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 poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 50 vehicles a day, projected to reach 75 by 2043. The structure is 77 ft (23.5 m) long and 16 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

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CarriesPleasant Plains RD
CrossesGreat Brook
LocationPleasant Plains Road
RouteFederal Lands Road 0
CountyMorris County
StateNew Jersey
Coordinates40.71367, -74.51567
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry8: Equal to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating12 US tons
Inventory rating7.1 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckCorrugated steel
Main spans1
Design loadUnknown
Structure length77 ft (23.5 m)
Longest span73 ft (22.3 m)
Deck width16 ft (4.9 m)
Roadway width16 ft (4.8 m)
Vertical clearance over deck107 ft (32.7 m)

Traffic and service

Average daily traffic50 (2023)
Projected traffic75 by 2043
Trucks0%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerBureau of Fish and Wildlife
Maintained byBureau of Fish and Wildlife
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$2.2 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Pleasant Plains RD over Great Brook built?

It was built in 1922, making it 103 years old in 2025. It was reconstructed in 1988.

What condition is Pleasant Plains RD over Great Brook in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in August 2023.

How much traffic does Pleasant Plains RD over Great Brook carry?

About 50 vehicles per day (2023 count).

How long is Pleasant Plains RD over Great Brook?

The structure is 77 ft (23.5 m) long with a longest span of 73 ft (22.3 m) and a deck 16 ft wide.

Who owns Pleasant Plains RD over Great Brook?

It is owned by the Bureau of Fish and Wildlife.