US Bridges

Mountainside RD over India Brook

Good

Morris County, New Jersey · 0.75 Mi. SW JCT Co. 525 · Structure no. 1400720

Built
2021
4 years old
Condition
Good
inspected June 2023
Type
Culvert
Concrete
Length
27 ft
1 main span
Daily traffic
621
2023 count
Owner
County
County Highway Agency

About this bridge

Mountainside RD over India Brook is a concrete culvert carrying Mountainside RD over India Brook in Morris County, New Jersey. It was built in 2021, so it is 4 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 good condition with a lowest component rating of 9 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 621 vehicles a day, roughly 3% of them trucks, projected to reach 758 by 2043. The structure is 27 ft (8.2 m) long and 29 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesMountainside RD
CrossesIndia Brook
Location0.75 Mi. SW JCT Co. 525
Coordinates40.78624, -74.62053
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert9 ExcellentNo problems noted.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation9: Superior to present desirable criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating53.9 US tons
Inventory rating41.4 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, precast panels
Main spans1
Design loadHL 93
Structure length27 ft (8.2 m)
Longest span25 ft (7.6 m)
Deck width29 ft (8.9 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic621 (2023)
Projected traffic758 by 2043
Trucks3%
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 statusNot eligible for the National Register of Historic Places
Work proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$63,000 (2019 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Mountainside RD over India Brook built?

It was built in 2021, making it 4 years old in 2025.

What condition is Mountainside RD over India Brook in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in June 2023.

How much traffic does Mountainside RD over India Brook carry?

About 621 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is Mountainside RD over India Brook?

The structure is 27 ft (8.2 m) long with a longest span of 25 ft (7.6 m) and a deck 29 ft wide.

Who owns Mountainside RD over India Brook?

It is owned by the County Highway Agency.