US Bridges

Baird Road over Millstone River

PoorPosted for load

Monmouth County, New Jersey · .92 Mile W of CR 527 Alt · Structure no. 130MS69

Built
1955
70 years old
Condition
Poor
inspected March 2023
Type
Tee Beam
Concrete Continuous
Length
24 ft
2 main spans
Daily traffic
873
2023 count
Owner
County
County Highway Agency

About this bridge

Baird Road over Millstone River is a concrete continuous tee beam carrying Baird Road over Millstone River in Monmouth County, New Jersey. It was built in 1955, so it is 70 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. Its operating status is: posted for load restriction.

It carries about 873 vehicles a day, roughly 3% of them trucks, projected to reach 1,047 by 2043. The structure is 24 ft (7.3 m) long and 23 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesBaird Road
CrossesMillstone River
Location.92 Mile W of CR 527 Alt
Coordinates40.24121, -74.40133
Functional classRural Minor Collector

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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
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
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating40 US tons
Inventory rating24 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, precast panels
Main spans2
Design loadHS 20
Structure length24 ft (7.3 m)
Longest span11 ft (3.4 m)
Deck width23 ft (7.1 m)
Roadway width22 ft (6.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic873 (2023)
Projected traffic1,047 by 2043
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1 million (2023 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Baird Road over Millstone River built?

It was built in 1955, making it 70 years old in 2025.

What condition is Baird Road over Millstone River 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 March 2023.

How much traffic does Baird Road over Millstone River carry?

About 873 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is Baird Road over Millstone River?

The structure is 24 ft (7.3 m) long with a longest span of 11 ft (3.4 m) and a deck 23 ft wide.

Who owns Baird Road over Millstone River?

It is owned by the County Highway Agency.