US Bridges

Burnet Ave(cr 633) over I-78

Fair

Union County, New Jersey · 1.0 MI E of I78&NJ124 JCT · Structure no. 2011151

Built
1974
51 years old
Condition
Fair
inspected March 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
399 ft
4 main spans
Daily traffic
11,500
2023 count
Owner
State
State Highway Agency

About this bridge

Burnet Ave(cr 633) over I-78 is a steel stringer/multi-beam or girder carrying Burnet Ave(cr 633) over I-78 in Union County, New Jersey. It was built in 1974, so it is 51 years old, younger 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 11,500 vehicles a day, roughly 4% of them trucks, projected to reach 13,800 by 2043. The structure is 399 ft (121.6 m) long and 65 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesBurnet Ave(cr 633)
CrossesI-78
Location1.0 MI E of I78&NJ124 JCT
RouteCounty Highway 633
CountyUnion County
StateNew Jersey
Coordinates40.71322, -74.2755
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating110.1 US tons
Inventory rating64 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20 + Mod
Structure length399 ft (121.6 m)
Longest span165 ft (50.3 m)
Deck width65 ft (19.7 m)
Roadway width50 ft (15.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,500 (2023)
Projected traffic13,800 by 2043
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$2 million (2023 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Burnet Ave(cr 633) over I-78 built?

It was built in 1974, making it 51 years old in 2025.

What condition is Burnet Ave(cr 633) over I-78 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 2023.

How much traffic does Burnet Ave(cr 633) over I-78 carry?

About 11,500 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is Burnet Ave(cr 633) over I-78?

The structure is 399 ft (121.6 m) long with a longest span of 165 ft (50.3 m) and a deck 65 ft wide.

Who owns Burnet Ave(cr 633) over I-78?

It is owned by the State Highway Agency.