US Bridges

US Rt 9 NB over Raritan River Smith St.

Good

Middlesex County, New Jersey · 1.1 Mi. S of Nj 440 · Structure no. 1209155

Built
2003
22 years old
Condition
Good
inspected July 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
4,392 ft
9 main spans
Daily traffic
46,321
2023 count
Owner
State
State Highway Agency

About this bridge

US Rt 9 NB over Raritan River Smith St. is a steel continuous stringer/multi-beam or girder carrying US Rt 9 NB over Raritan River Smith St. in Middlesex County, New Jersey. It was built in 2003, so it is 22 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 good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 46,321 vehicles a day, roughly 4% of them trucks, projected to reach 56,520 by 2043. The structure is 4,392 ft (1,338.7 m) long and 52 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesUS Rt 9 NB
CrossesRaritan River Smith St.
Location1.1 Mi. S of Nj 440
RouteU.S. Route 9
Coordinates40.50378, -74.30053
Functional classUrban Other Principal Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating58 US tons
Inventory rating35.1 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans9 (+20 approach)
Design loadHS 25 or greater
Structure length4,392 ft (1,338.7 m)
Longest span250 ft (76.2 m)
Deck width52 ft (16 m)
Roadway width49 ft (15 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic46,321 (2023)
Projected traffic56,520 by 2043
Trucks4%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway and waterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkSTRAHNET connector

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNavigation control on waterway (bridge permit required)

Frequently asked questions

When was US Rt 9 NB over Raritan River Smith St. built?

It was built in 2003, making it 22 years old in 2025.

What condition is US Rt 9 NB over Raritan River Smith St. in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in July 2023.

How much traffic does US Rt 9 NB over Raritan River Smith St. carry?

About 46,321 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is US Rt 9 NB over Raritan River Smith St.?

The structure is 4,392 ft (1,338.7 m) long with a longest span of 250 ft (76.2 m) and a deck 52 ft wide.

Who owns US Rt 9 NB over Raritan River Smith St.?

It is owned by the State Highway Agency.