US Bridges

Indian Falls RD over Jackson Brook

Fair

Morris County, New Jersey · .2 MI East of Randolph Av · Structure no. 1400992

Built
1953
72 years old, rebuilt 1989
Condition
Fair
inspected June 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
34 ft
2 main spans
Daily traffic
161
2023 count
Owner
County
County Highway Agency

About this bridge

Indian Falls RD over Jackson Brook is a steel continuous stringer/multi-beam or girder carrying Indian Falls RD over Jackson Brook in Morris County, New Jersey. It was built in 1953 and reconstructed in 1989, so it is 72 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 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 161 vehicles a day, roughly 1% of them trucks, projected to reach 197 by 2043. The structure is 34 ft (10.4 m) long and 19 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesIndian Falls RD
CrossesJackson Brook
Location.2 MI East of Randolph Av
RouteCity Street 0
Coordinates40.87369, -74.59255
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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating68 US tons
Inventory rating41 US tons

Structure

MaterialSteel Continuous
DeckCorrugated steel
Main spans2
Design loadUnknown
Structure length34 ft (10.4 m)
Longest span15 ft (4.6 m)
Deck width19 ft (5.7 m)
Roadway width18 ft (5.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic161 (2023)
Projected traffic197 by 2043
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$540,000 (2023 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Indian Falls RD over Jackson Brook built?

It was built in 1953, making it 72 years old in 2025. It was reconstructed in 1989.

What condition is Indian Falls RD over Jackson 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 June 2023.

How much traffic does Indian Falls RD over Jackson Brook carry?

About 161 vehicles per day (2023 count), of which roughly 1% are trucks.

How long is Indian Falls RD over Jackson Brook?

The structure is 34 ft (10.4 m) long with a longest span of 15 ft (4.6 m) and a deck 19 ft wide.

Who owns Indian Falls RD over Jackson Brook?

It is owned by the County Highway Agency.