US Bridges

River Road over Crooked Brook

Fair

Morris County, New Jersey · 0.41 MI West of CR 621 · Structure no. 1400267

Built
1925
100 years old, rebuilt 1991
Condition
Fair
inspected July 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
38 ft
1 main span
Daily traffic
11,393
2023 count
Owner
County
County Highway Agency

About this bridge

River Road over Crooked Brook is a steel stringer/multi-beam or girder carrying River Road over Crooked Brook in Morris County, New Jersey. It was built in 1925 and reconstructed in 1991, so it is 100 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 11,393 vehicles a day, roughly 4% of them trucks, projected to reach 13,901 by 2043. The structure is 38 ft (11.6 m) long and 39 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesRiver Road
CrossesCrooked Brook
Location0.41 MI West of CR 621
RouteCity Street 0
CountyMorris County
StateNew Jersey
Coordinates40.89024, -74.37362
Functional classUrban Minor Arterial

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 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 adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating43 US tons
Inventory rating26 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length38 ft (11.6 m)
Longest span34 ft (10.4 m)
Deck width39 ft (11.9 m)
Roadway width34 ft (10.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,393 (2023)
Projected traffic13,901 by 2043
Trucks4%
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 River Road over Crooked Brook built?

It was built in 1925, making it 100 years old in 2025. It was reconstructed in 1991.

What condition is River Road over Crooked 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 River Road over Crooked Brook carry?

About 11,393 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is River Road over Crooked Brook?

The structure is 38 ft (11.6 m) long with a longest span of 34 ft (10.4 m) and a deck 39 ft wide.

Who owns River Road over Crooked Brook?

It is owned by the County Highway Agency.