US Bridges

High Street over Morristown Line

PoorPosted for load

Union County, New Jersey · 0.24 N of CR 512 · Structure no. 2062157

Built
1937
88 years old
Condition
Poor
inspected April 2023
Type
Frame
Steel
Length
67 ft
1 main span
Daily traffic
9,540
2023 count
Owner
Unknown
Unknown

About this bridge

High Street over Morristown Line is a steel frame carrying High Street over Morristown Line in Union County, New Jersey. It was built in 1937, so it is 88 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 poor condition with a lowest component rating of 3 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 9,540 vehicles a day, roughly 3% of them trucks, projected to reach 11,450 by 2043. The structure is 67 ft (20.4 m) long and 42 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesHigh Street
CrossesMorristown Line
Location0.24 N of CR 512
RouteCity Street 0
Coordinates40.71828, -74.37101
Functional classUrban Collector

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourBridge not over waterway
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating17 US tons
Inventory rating10 US tons

Structure

Structure typeFrame
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length67 ft (20.4 m)
Longest span59 ft (18 m)
Deck width42 ft (12.9 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,540 (2023)
Projected traffic11,450 by 2043
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesRailroad
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerUnknown
Maintained byOther State Agency
Historic statusEligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$13.4 million (2023 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was High Street over Morristown Line built?

It was built in 1937, making it 88 years old in 2025.

What condition is High Street over Morristown Line in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in April 2023.

How much traffic does High Street over Morristown Line carry?

About 9,540 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is High Street over Morristown Line?

The structure is 67 ft (20.4 m) long with a longest span of 59 ft (18 m) and a deck 42 ft wide.

Who owns High Street over Morristown Line?

It is owned by the Unknown and maintained by the Other State Agency.