US Bridges

CR640 (mcmane Ave) over I-78

Fair

Union County, New Jersey · 0.4 MI E of I-78 Exit 43 · Structure no. 2010155

Built
1985
40 years old
Condition
Fair
inspected August 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
290 ft
3 main spans
Daily traffic
2,670
2024 count
Owner
State
State Highway Agency

About this bridge

CR640 (mcmane Ave) over I-78 is a steel continuous stringer/multi-beam or girder carrying CR640 (mcmane Ave) over I-78 in Union County, New Jersey. It was built in 1985, so it is 40 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 2,670 vehicles a day, roughly 3% of them trucks, projected to reach 3,210 by 2044. The structure is 290 ft (88.4 m) long and 44 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesCR640 (mcmane Ave)
CrossesI-78
Location0.4 MI E of I-78 Exit 43
RouteCounty Highway 640
CountyUnion County
StateNew Jersey
Coordinates40.67818, -74.39919
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating110.1 US tons
Inventory rating61.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length290 ft (88.4 m)
Longest span94 ft (28.7 m)
Deck width44 ft (13.4 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,670 (2024)
Projected traffic3,210 by 2044
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was CR640 (mcmane Ave) over I-78 built?

It was built in 1985, making it 40 years old in 2025.

What condition is CR640 (mcmane Ave) 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 August 2024.

How much traffic does CR640 (mcmane Ave) over I-78 carry?

About 2,670 vehicles per day (2024 count), of which roughly 3% are trucks.

How long is CR640 (mcmane Ave) over I-78?

The structure is 290 ft (88.4 m) long with a longest span of 94 ft (28.7 m) and a deck 44 ft wide.

Who owns CR640 (mcmane Ave) over I-78?

It is owned by the State Highway Agency.