US Bridges

Brook Street over Beaver Dam Brook

Fair

Morris County, New Jersey · Brook ST & Park Ave JCT · Structure no. 1400240

Built
1970
55 years old
Condition
Fair
inspected July 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
42 ft
1 main span
Daily traffic
2,633
2023 count
Owner
County
County Highway Agency

About this bridge

Brook Street over Beaver Dam Brook is a prestressed concrete box beam or girders - multiple carrying Brook Street over Beaver Dam Brook in Morris County, New Jersey. It was built in 1970, so it is 55 years old, younger 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 5 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 2,633 vehicles a day, roughly 1% of them trucks, projected to reach 3,213 by 2043. The structure is 42 ft (12.8 m) long and 38 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesBrook Street
CrossesBeaver Dam Brook
LocationBrook ST & Park Ave JCT
RouteCity Street 0
Coordinates40.92427, -74.29739
Functional classUrban 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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
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 rating60 US tons
Inventory rating36 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadUnknown
Structure length42 ft (12.8 m)
Longest span42 ft (12.8 m)
Deck width38 ft (11.5 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,633 (2023)
Projected traffic3,213 by 2043
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Brook Street over Beaver Dam Brook built?

It was built in 1970, making it 55 years old in 2025.

What condition is Brook Street over Beaver Dam 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 July 2023.

How much traffic does Brook Street over Beaver Dam Brook carry?

About 2,633 vehicles per day (2023 count), of which roughly 1% are trucks.

How long is Brook Street over Beaver Dam Brook?

The structure is 42 ft (12.8 m) long with a longest span of 42 ft (12.8 m) and a deck 38 ft wide.

Who owns Brook Street over Beaver Dam Brook?

It is owned by the County Highway Agency.