US Bridges

Concord Drive over Brook

Fair

New Haven County, Connecticut · 0.4 M S of Heatherwood RD · Structure no. 04856

Built
1978
47 years old
Condition
Fair
inspected May 2023
Type
Frame
Concrete
Length
24 ft
2 main spans
Daily traffic
214
2023 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Concord Drive over Brook is a concrete frame carrying Concord Drive over Brook in New Haven County, Connecticut. It was built in 1978, so it is 47 years old, younger than the Connecticut average of 56.7 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 214 vehicles a day, roughly 7% of them trucks, projected to reach 318 by 2043. The structure is 24 ft (7.3 m) long and 32 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesConcord Drive
CrossesBrook
Location0.4 M S of Heatherwood RD
RouteCity Street 0
Coordinates41.34415, -72.61298
Functional classUrban 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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating47 US tons
Inventory rating36 US tons

Structure

Structure typeFrame
MaterialConcrete
DeckOther
Main spans2
Design loadHS 20
Structure length24 ft (7.3 m)
Longest span12 ft (3.7 m)
Deck width32 ft (9.8 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic214 (2023)
Projected traffic318 by 2043
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerTown or Township Highway Agency
Maintained byTown or Township 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 Concord Drive over Brook built?

It was built in 1978, making it 47 years old in 2025.

What condition is Concord Drive over 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 May 2023.

How much traffic does Concord Drive over Brook carry?

About 214 vehicles per day (2023 count), of which roughly 7% are trucks.

How long is Concord Drive over Brook?

The structure is 24 ft (7.3 m) long with a longest span of 12 ft (3.7 m) and a deck 32 ft wide.

Who owns Concord Drive over Brook?

It is owned by the Town or Township Highway Agency.