US Bridges

County Route 623 over Brass Castle Creek

Fair

Warren County, New Jersey · 1.08 MI N of Nj Route 57 · Structure no. 2102231

Built
1939
86 years old
Condition
Fair
inspected March 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
29 ft
1 main span
Daily traffic
6,462
2023 count
Owner
County
County Highway Agency

About this bridge

County Route 623 over Brass Castle Creek is a steel stringer/multi-beam or girder carrying County Route 623 over Brass Castle Creek in Warren County, New Jersey. It was built in 1939, so it is 86 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 6,462 vehicles a day, roughly 3% of them trucks, projected to reach 7,885 by 2043. The structure is 29 ft (8.8 m) long and 33 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

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CarriesCounty Route 623
CrossesBrass Castle Creek
Location1.08 MI N of Nj Route 57
RouteCounty Highway 623
CountyWarren County
StateNew Jersey
Coordinates40.76486, -75.012
Functional classUrban Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating61.9 US tons
Inventory rating37 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length29 ft (8.8 m)
Longest span24 ft (7.3 m)
Deck width33 ft (10.1 m)
Roadway width29 ft (8.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,462 (2023)
Projected traffic7,885 by 2043
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$152,000 (2023 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was County Route 623 over Brass Castle Creek built?

It was built in 1939, making it 86 years old in 2025.

What condition is County Route 623 over Brass Castle Creek 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 March 2023.

How much traffic does County Route 623 over Brass Castle Creek carry?

About 6,462 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is County Route 623 over Brass Castle Creek?

The structure is 29 ft (8.8 m) long with a longest span of 24 ft (7.3 m) and a deck 33 ft wide.

Who owns County Route 623 over Brass Castle Creek?

It is owned by the County Highway Agency.