US Bridges

Ridge Road over Russia Brook

Fair

Morris County, New Jersey · 0.19 Miles N of Russia RD · Structure no. 1400951

Built
1900
125 years old, rebuilt 1992
Condition
Fair
inspected August 2023
Type
Slab
Prestressed Concrete
Length
43 ft
1 main span
Daily traffic
6,975
2023 count
Owner
County
County Highway Agency

About this bridge

Ridge Road over Russia Brook is a prestressed concrete slab carrying Ridge Road over Russia Brook in Morris County, New Jersey. It was built in 1900 and reconstructed in 1992, so it is 125 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 6,975 vehicles a day, roughly 3% of them trucks, projected to reach 8,511 by 2043. The structure is 43 ft (13.1 m) long and 44 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesRidge Road
CrossesRussia Brook
Location0.19 Miles N of Russia RD
RouteCity Street 0
CountyMorris County
StateNew Jersey
Coordinates41.04038, -74.53393
Functional classUrban Collector

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating93 US tons
Inventory rating56 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length43 ft (13.1 m)
Longest span38 ft (11.6 m)
Deck width44 ft (13.3 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,975 (2023)
Projected traffic8,511 by 2043
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Ridge Road over Russia Brook built?

It was built in 1900, making it 125 years old in 2025. It was reconstructed in 1992.

What condition is Ridge Road over Russia 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 August 2023.

How much traffic does Ridge Road over Russia Brook carry?

About 6,975 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is Ridge Road over Russia Brook?

The structure is 43 ft (13.1 m) long with a longest span of 38 ft (11.6 m) and a deck 44 ft wide.

Who owns Ridge Road over Russia Brook?

It is owned by the County Highway Agency.