US Bridges

East Main Street over Harbor Brook

Fair

New Haven County, Connecticut · 190 Ft E of State ST · Structure no. 04217

Built
1960
65 years old
Condition
Fair
inspected January 2024
Type
Culvert
Concrete Continuous
Length
33 ft
2 main spans
Daily traffic
8,700
2019 count
Owner
City
City or Municipal Highway Agency

About this bridge

East Main Street over Harbor Brook is a concrete continuous culvert carrying East Main Street over Harbor Brook in New Haven County, Connecticut. It was built in 1960, so it is 65 years old, older 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 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 8,700 vehicles a day, roughly 6% of them trucks, projected to reach 12,927 by 2039. The structure is 33 ft (10.1 m) long. If it were closed, the detour would be 1.2 mi (2 km).

CarriesEast Main Street
CrossesHarbor Brook
Location190 Ft E of State ST
RouteCity Street 0
Coordinates41.53778, -72.80207
Functional classUrban Other Principal Arterial

Condition and inspection

Fair

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

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating94 US tons
Inventory rating61.9 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadUnknown
Structure length33 ft (10.1 m)
Longest span15 ft (4.6 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,700 (2019)
Projected traffic12,927 by 2039
Trucks6%
Lanes on structure4
Traffic directionOne-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 East Main Street over Harbor Brook built?

It was built in 1960, making it 65 years old in 2025.

What condition is East Main Street over Harbor 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 January 2024.

How much traffic does East Main Street over Harbor Brook carry?

About 8,700 vehicles per day (2019 count), of which roughly 6% are trucks.

How long is East Main Street over Harbor Brook?

The structure is 33 ft (10.1 m) long with a longest span of 15 ft (4.6 m).

Who owns East Main Street over Harbor Brook?

It is owned by the City or Municipal Highway Agency.