US Bridges

Gsp Nbi over Newman Springs RD(CR520)

Good

Monmouth County, New Jersey · 3.96 Mi. N. of GSP/18N Jc · Structure no. 361101I

Built
1972
53 years old
Condition
Good
inspected May 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
134 ft
3 main spans
Daily traffic
29,396
2024 count
Owner
Toll Authority
State Toll Authority

About this bridge

Gsp Nbi over Newman Springs RD(CR520) is a prestressed concrete box beam or girders - multiple carrying Gsp Nbi over Newman Springs RD(CR520) in Monmouth County, New Jersey. It was built in 1972, so it is 53 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 29,396 vehicles a day, roughly 1% of them trucks, projected to reach 34,130 by 2044. The structure is 134 ft (40.8 m) long and 41 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesGsp Nbi
CrossesNewman Springs RD(CR520)
Location3.96 Mi. N. of GSP/18N Jc
Coordinates40.33685, -74.10167
Functional classUrban Principal Arterial - Other Freeway or Expressway

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.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44.6 US tons
Inventory rating33.2 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length134 ft (40.8 m)
Longest span71 ft (21.6 m)
Deck width41 ft (12.6 m)
Roadway width37 ft (11.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic29,396 (2024)
Projected traffic34,130 by 2044
Trucks1%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a toll road
National Highway SystemYes
Strategic Highway NetworkSTRAHNET connector

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$2.8 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was Gsp Nbi over Newman Springs RD(CR520) built?

It was built in 1972, making it 53 years old in 2025.

What condition is Gsp Nbi over Newman Springs RD(CR520) 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 May 2024.

How much traffic does Gsp Nbi over Newman Springs RD(CR520) carry?

About 29,396 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is Gsp Nbi over Newman Springs RD(CR520)?

The structure is 134 ft (40.8 m) long with a longest span of 71 ft (21.6 m) and a deck 41 ft wide.

Who owns Gsp Nbi over Newman Springs RD(CR520)?

It is owned by the State Toll Authority.