US Bridges

Hamilton Street over Robinsons Branch Rah Riv

Fair

Union County, New Jersey · 0.04 MI NW of Central Ave · Structure no. 2013029

Built
1930
95 years old
Condition
Fair
inspected March 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
67 ft
2 main spans
Daily traffic
2,706
2024 count
Owner
County
County Highway Agency

About this bridge

Hamilton Street over Robinsons Branch Rah Riv is a steel stringer/multi-beam or girder carrying Hamilton Street over Robinsons Branch Rah Riv in Union County, New Jersey. It was built in 1930, so it is 95 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 2,706 vehicles a day, roughly 1% of them trucks, projected to reach 3,302 by 2044. The structure is 67 ft (20.4 m) long and 66 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesHamilton Street
CrossesRobinsons Branch Rah Riv
Location0.04 MI NW of Central Ave
RouteCity Street 0
CountyUnion County
StateNew Jersey
Coordinates40.61095, -74.27776
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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
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 geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating70 US tons
Inventory rating42 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length67 ft (20.4 m)
Longest span30 ft (9.1 m)
Deck width66 ft (20.1 m)
Roadway width40 ft (12.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,706 (2024)
Projected traffic3,302 by 2044
Trucks1%
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$607,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Hamilton Street over Robinsons Branch Rah Riv built?

It was built in 1930, making it 95 years old in 2025.

What condition is Hamilton Street over Robinsons Branch Rah Riv 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 Hamilton Street over Robinsons Branch Rah Riv carry?

About 2,706 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is Hamilton Street over Robinsons Branch Rah Riv?

The structure is 67 ft (20.4 m) long with a longest span of 30 ft (9.1 m) and a deck 66 ft wide.

Who owns Hamilton Street over Robinsons Branch Rah Riv?

It is owned by the County Highway Agency.