US Bridges

Valley Road over Stony Brook

Fair

Morris County, New Jersey · 0.6 Mile West of CR 618 · Structure no. 1400346

Built
1924
101 years old, rebuilt 1985
Condition
Fair
inspected July 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
56 ft
1 main span
Daily traffic
9,052
2023 count
Owner
County
County Highway Agency

About this bridge

Valley Road over Stony Brook is a prestressed concrete box beam or girders - multiple carrying Valley Road over Stony Brook in Morris County, New Jersey. It was built in 1924 and reconstructed in 1985, so it is 101 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 6 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 9,052 vehicles a day, roughly 1% of them trucks, projected to reach 11,045 by 2043. The structure is 56 ft (17.1 m) long and 41 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesValley Road
CrossesStony Brook
Location0.6 Mile West of CR 618
RouteCity Street 0
CountyMorris County
StateNew Jersey
Coordinates40.92882, -74.43766
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
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
ScourScour critical; foundations unstable for calculated scour conditions
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 adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating40 US tons
Inventory rating24 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length56 ft (17.1 m)
Longest span54 ft (16.5 m)
Deck width41 ft (12.4 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,052 (2023)
Projected traffic11,045 by 2043
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed3.1 mi (5 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 Valley Road over Stony Brook built?

It was built in 1924, making it 101 years old in 2025. It was reconstructed in 1985.

What condition is Valley Road over Stony 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 Valley Road over Stony Brook carry?

About 9,052 vehicles per day (2023 count), of which roughly 1% are trucks.

How long is Valley Road over Stony Brook?

The structure is 56 ft (17.1 m) long with a longest span of 54 ft (16.5 m) and a deck 41 ft wide.

Who owns Valley Road over Stony Brook?

It is owned by the County Highway Agency.