US Bridges

Union Hill Road over Morristown Line MP 24.39

Fair

Morris County, New Jersey · .30 MI South of Nj 124 · Structure no. 1468161

Built
1914
111 years old
Condition
Fair
inspected March 2023
Type
Arch - Deck
Concrete
Length
47 ft
1 main span
Daily traffic
2,200
2023 count
Owner
Unknown
Unknown

About this bridge

Union Hill Road over Morristown Line MP 24.39 is a concrete arch - deck carrying Union Hill Road over Morristown Line MP 24.39 in Morris County, New Jersey. It was built in 1914, so it is 111 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 2,200 vehicles a day, roughly 1% of them trucks, projected to reach 2,640 by 2043. The structure is 47 ft (14.3 m) long and 54 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesUnion Hill Road
CrossesMorristown Line MP 24.39
Location.30 MI South of Nj 124
RouteCity Street 0
Coordinates40.74509, -74.40007
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
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating89.9 US tons

Structure

Structure typeArch - Deck
MaterialConcrete
DeckNot applicable
Main spans1
Design loadUnknown
Structure length47 ft (14.3 m)
Longest span47 ft (14.3 m)
Deck width54 ft (16.5 m)
Roadway width27 ft (8.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,200 (2023)
Projected traffic2,640 by 2043
Trucks1%
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 statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$5 million (2023 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Union Hill Road over Morristown Line MP 24.39 built?

It was built in 1914, making it 111 years old in 2025.

What condition is Union Hill Road over Morristown Line MP 24.39 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 Union Hill Road over Morristown Line MP 24.39 carry?

About 2,200 vehicles per day (2023 count), of which roughly 1% are trucks.

How long is Union Hill Road over Morristown Line MP 24.39?

The structure is 47 ft (14.3 m) long with a longest span of 47 ft (14.3 m) and a deck 54 ft wide.

Who owns Union Hill Road over Morristown Line MP 24.39?

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