US Bridges

Sidney RD (cr 617) over Lehigh Valley Ml

Poor

Hunterdon County, New Jersey · 1.02 MI South of CR513 · Structure no. 1050165

Built
1970
55 years old, rebuilt 1996
Condition
Poor
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
163 ft
3 main spans
Daily traffic
2,825
2024 count
Owner
Unknown
Unknown

About this bridge

Sidney RD (cr 617) over Lehigh Valley Ml is a steel stringer/multi-beam or girder carrying Sidney RD (cr 617) over Lehigh Valley Ml in Hunterdon County, New Jersey. It was built in 1970 and reconstructed in 1996, so it is 55 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 poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 2,825 vehicles a day, roughly 4% of them trucks, projected to reach 3,390 by 2044. The structure is 163 ft (49.7 m) long and 38 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesSidney RD (cr 617)
CrossesLehigh Valley Ml
Location1.02 MI South of CR513
RouteCounty Highway 617
Coordinates40.61058, -74.9245
Functional classRural Minor Arterial

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment6: Equal to present minimum criteria
Operating rating54 US tons
Inventory rating32 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length163 ft (49.7 m)
Longest span58 ft (17.7 m)
Deck width38 ft (11.6 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,825 (2024)
Projected traffic3,390 by 2044
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesRailroad
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerUnknown
Maintained byState Highway 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$5.5 million (2024 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Sidney RD (cr 617) over Lehigh Valley Ml built?

It was built in 1970, making it 55 years old in 2025. It was reconstructed in 1996.

What condition is Sidney RD (cr 617) over Lehigh Valley Ml in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in October 2024.

How much traffic does Sidney RD (cr 617) over Lehigh Valley Ml carry?

About 2,825 vehicles per day (2024 count), of which roughly 4% are trucks.

How long is Sidney RD (cr 617) over Lehigh Valley Ml?

The structure is 163 ft (49.7 m) long with a longest span of 58 ft (17.7 m) and a deck 38 ft wide.

Who owns Sidney RD (cr 617) over Lehigh Valley Ml?

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