US Bridges

Thomas Street over High Brd Indus - Abnd

Poor

Hunterdon County, New Jersey · 2.2MI N of I78&NJ31 JCT · Structure no. 1050168

Built
1937
88 years old
Condition
Poor
inspected September 2023
Type
Girder and Floorbeam System
Steel
Length
94 ft
1 main span
Daily traffic
638
2023 count
Owner
Unknown
Unknown

About this bridge

Thomas Street over High Brd Indus - Abnd is a steel girder and floorbeam system carrying Thomas Street over High Brd Indus - Abnd in Hunterdon County, New Jersey. It was built in 1937, so it is 88 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 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 638 vehicles a day, roughly 1% of them trucks, projected to reach 778 by 2043. The structure is 94 ft (28.7 m) long and 26 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesThomas Street
CrossesHigh Brd Indus - Abnd
Location2.2MI N of I78&NJ31 JCT
RouteCity Street 0
Coordinates40.6698, -74.89189
Functional classUrban Local

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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2023
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 geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment7: Better than present minimum criteria
Operating rating69 US tons
Inventory rating41 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length94 ft (28.7 m)
Longest span88 ft (26.8 m)
Deck width26 ft (7.8 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic638 (2023)
Projected traffic778 by 2043
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesPedestrian / bicycle
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerUnknown
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$670,000 (2023 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Thomas Street over High Brd Indus - Abnd built?

It was built in 1937, making it 88 years old in 2025.

What condition is Thomas Street over High Brd Indus - Abnd 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 September 2023.

How much traffic does Thomas Street over High Brd Indus - Abnd carry?

About 638 vehicles per day (2023 count), of which roughly 1% are trucks.

How long is Thomas Street over High Brd Indus - Abnd?

The structure is 94 ft (28.7 m) long with a longest span of 88 ft (26.8 m) and a deck 26 ft wide.

Who owns Thomas Street over High Brd Indus - Abnd?

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