US Bridges

South Street over I-287

Fair

Morris County, New Jersey · .21 MI So of Nj 124 JCT · Structure no. 1419173

Built
1968
57 years old
Condition
Fair
inspected April 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
277 ft
4 main spans
Daily traffic
13,323
2023 count
Owner
State
State Highway Agency

About this bridge

South Street over I-287 is a steel stringer/multi-beam or girder carrying South Street over I-287 in Morris County, New Jersey. It was built in 1968, so it is 57 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 13,323 vehicles a day, roughly 4% of them trucks, projected to reach 15,878 by 2043. The structure is 277 ft (84.4 m) long and 62 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesSouth Street
CrossesI-287
Location.21 MI So of Nj 124 JCT
RouteCounty Highway 287
CountyMorris County
StateNew Jersey
Coordinates40.787, -74.46983
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 inspectionApril 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 alignment7: Better than present minimum criteria
Operating rating75 US tons
Inventory rating45 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length277 ft (84.4 m)
Longest span92 ft (28 m)
Deck width62 ft (18.9 m)
Roadway width46 ft (14 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic13,323 (2023)
Projected traffic15,878 by 2043
Trucks4%
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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost$86,000 (2023 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was South Street over I-287 built?

It was built in 1968, making it 57 years old in 2025.

What condition is South Street over I-287 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 April 2023.

How much traffic does South Street over I-287 carry?

About 13,323 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is South Street over I-287?

The structure is 277 ft (84.4 m) long with a longest span of 92 ft (28 m) and a deck 62 ft wide.

Who owns South Street over I-287?

It is owned by the State Highway Agency.