US Bridges

Alexander Road over AMTRAK

Good

Mercer County, New Jersey · 1.30 Mile South of Rt 1 · Structure no. 1149173

Built
2009
16 years old
Condition
Good
inspected March 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
88 ft
1 main span
Daily traffic
14,920
2023 count
Owner
County
County Highway Agency

About this bridge

Alexander Road over AMTRAK is a steel stringer/multi-beam or girder carrying Alexander Road over AMTRAK in Mercer County, New Jersey. It was built in 2009, so it is 16 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 14,920 vehicles a day, roughly 4% of them trucks, projected to reach 17,845 by 2043. The structure is 88 ft (26.8 m) long and 46 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesAlexander Road
CrossesAMTRAK
Location1.30 Mile South of Rt 1
RouteCity Street 0
CountyMercer County
StateNew Jersey
Coordinates40.31211, -74.62881
Functional classUrban Minor 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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating82.9 US tons
Inventory rating63.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length88 ft (26.8 m)
Longest span86 ft (26.2 m)
Deck width46 ft (14 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic14,920 (2023)
Projected traffic17,845 by 2043
Trucks4%
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

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Alexander Road over AMTRAK built?

It was built in 2009, making it 16 years old in 2025.

What condition is Alexander Road over AMTRAK 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 March 2023.

How much traffic does Alexander Road over AMTRAK carry?

About 14,920 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is Alexander Road over AMTRAK?

The structure is 88 ft (26.8 m) long with a longest span of 86 ft (26.2 m) and a deck 46 ft wide.

Who owns Alexander Road over AMTRAK?

It is owned by the County Highway Agency.