US Bridges

Randolph Road over Cedar Brook

Fair

Union County, New Jersey · 0.37 MI West of Park Ave · Structure no. 2012011

Built
1922
103 years old, rebuilt 1930
Condition
Fair
inspected March 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
36 ft
1 main span
Daily traffic
4,959
2024 count
Owner
County
County Highway Agency

About this bridge

Randolph Road over Cedar Brook is a steel stringer/multi-beam or girder carrying Randolph Road over Cedar Brook in Union County, New Jersey. It was built in 1922 and reconstructed in 1930, so it is 103 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 4,959 vehicles a day, roughly 3% of them trucks, projected to reach 6,051 by 2044. The structure is 36 ft (11 m) long and 50 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesRandolph Road
CrossesCedar Brook
Location0.37 MI West of Park Ave
RouteCity Street 0
CountyUnion County
StateNew Jersey
Coordinates40.60678, -74.41261
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
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 protection8 Very GoodNo problems noted.
Last inspectionMarch 2024
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 adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating61.9 US tons
Inventory rating37 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length36 ft (11 m)
Longest span32 ft (9.8 m)
Deck width50 ft (15.2 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,959 (2024)
Projected traffic6,051 by 2044
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
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$277,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Randolph Road over Cedar Brook built?

It was built in 1922, making it 103 years old in 2025. It was reconstructed in 1930.

What condition is Randolph Road over Cedar 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 March 2024.

How much traffic does Randolph Road over Cedar Brook carry?

About 4,959 vehicles per day (2024 count), of which roughly 3% are trucks.

How long is Randolph Road over Cedar Brook?

The structure is 36 ft (11 m) long with a longest span of 32 ft (9.8 m) and a deck 50 ft wide.

Who owns Randolph Road over Cedar Brook?

It is owned by the County Highway Agency.