US Bridges

US RTE 9 over Nj Tpk Nsi-Sni-Sno Rwys

Fair

Middlesex County, New Jersey · .9 MI E RTE 444 & Nj Tpk · Structure no. M091130

Built
1951
74 years old, rebuilt 1969
Condition
Fair
inspected May 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
348 ft
6 main spans
Daily traffic
71,407
2023 count
Owner
Toll Authority
State Toll Authority

About this bridge

US RTE 9 over Nj Tpk Nsi-Sni-Sno Rwys is a steel stringer/multi-beam or girder carrying US RTE 9 over Nj Tpk Nsi-Sni-Sno Rwys in Middlesex County, New Jersey. It was built in 1951 and reconstructed in 1969, so it is 74 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 71,407 vehicles a day, roughly 3% of them trucks, projected to reach 87,131 by 2043. The structure is 348 ft (106.1 m) long and 111 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesUS RTE 9
CrossesNj Tpk Nsi-Sni-Sno Rwys
Location.9 MI E RTE 444 & Nj Tpk
RouteU.S. Route 9
Coordinates40.54353, -74.29161
Functional classUrban Other Principal 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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMay 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 geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating35.1 US tons
Inventory rating27.1 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans6
Design loadHS 20
Structure length348 ft (106.1 m)
Longest span83 ft (25.3 m)
Deck width111 ft (33.8 m)
Roadway width86 ft (26.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic71,407 (2023)
Projected traffic87,131 by 2043
Trucks3%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Toll Authority
Maintained byState Toll Authority
Historic statusNot eligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was US RTE 9 over Nj Tpk Nsi-Sni-Sno Rwys built?

It was built in 1951, making it 74 years old in 2025. It was reconstructed in 1969.

What condition is US RTE 9 over Nj Tpk Nsi-Sni-Sno Rwys 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 May 2023.

How much traffic does US RTE 9 over Nj Tpk Nsi-Sni-Sno Rwys carry?

About 71,407 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is US RTE 9 over Nj Tpk Nsi-Sni-Sno Rwys?

The structure is 348 ft (106.1 m) long with a longest span of 83 ft (25.3 m) and a deck 111 ft wide.

Who owns US RTE 9 over Nj Tpk Nsi-Sni-Sno Rwys?

It is owned by the State Toll Authority.