US Bridges

Titus Mill Road over Stony Brook

Fair

Mercer County, New Jersey · 0.8 MI East of Rt 31 · Structure no. 1100073

Built
2012
13 years old
Condition
Fair
inspected February 2023
Type
Slab
Prestressed Concrete
Length
101 ft
2 main spans
Daily traffic
1,686
2023 count
Owner
County
County Highway Agency

About this bridge

Titus Mill Road over Stony Brook is a prestressed concrete slab carrying Titus Mill Road over Stony Brook in Mercer County, New Jersey. It was built in 2012, so it is 13 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 fair condition with a lowest component rating of 6 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 1,686 vehicles a day, roughly 3% of them trucks, projected to reach 2,016 by 2043. The structure is 101 ft (30.8 m) long and 49 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesTitus Mill Road
CrossesStony Brook
Location0.8 MI East of Rt 31
CountyMercer County
StateNew Jersey
Coordinates40.34925, -74.78208
Functional classRural Local

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating91.1 US tons
Inventory rating43 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 25 or greater
Structure length101 ft (30.8 m)
Longest span46 ft (14 m)
Deck width49 ft (14.9 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,686 (2023)
Projected traffic2,016 by 2043
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.9 mi (3 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Titus Mill Road over Stony Brook built?

It was built in 2012, making it 13 years old in 2025.

What condition is Titus Mill Road over Stony Brook 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 February 2023.

How much traffic does Titus Mill Road over Stony Brook carry?

About 1,686 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is Titus Mill Road over Stony Brook?

The structure is 101 ft (30.8 m) long with a longest span of 46 ft (14 m) and a deck 49 ft wide.

Who owns Titus Mill Road over Stony Brook?

It is owned by the County Highway Agency.