US Bridges

Coe Avenue over Harbor Brook

Fair

New Haven County, Connecticut · At JCT of Bradley Avenue · Structure no. 04161

Built
1955
70 years old, rebuilt 2006
Condition
Fair
inspected February 2024
Type
Slab
Prestressed Concrete
Length
72 ft
1 main span
Daily traffic
3,000
2019 count
Owner
City
City or Municipal Highway Agency

About this bridge

Coe Avenue over Harbor Brook is a prestressed concrete slab carrying Coe Avenue over Harbor Brook in New Haven County, Connecticut. It was built in 1955 and reconstructed in 2006, so it is 70 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 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 3,000 vehicles a day, roughly 4% of them trucks, projected to reach 4,458 by 2039. The structure is 72 ft (21.9 m) long and 49 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesCoe Avenue
CrossesHarbor Brook
LocationAt JCT of Bradley Avenue
RouteCity Street 0
Coordinates41.53121, -72.82191
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 protection7 GoodSome minor problems.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
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 rating47 US tons
Inventory rating36 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckOther
Main spans1 (+2 approach)
Design loadHS 20
Structure length72 ft (21.9 m)
Longest span36 ft (11 m)
Deck width49 ft (14.9 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,000 (2019)
Projected traffic4,458 by 2039
Trucks4%
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

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 Coe Avenue over Harbor Brook built?

It was built in 1955, making it 70 years old in 2025. It was reconstructed in 2006.

What condition is Coe Avenue 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 February 2024.

How much traffic does Coe Avenue over Harbor Brook carry?

About 3,000 vehicles per day (2019 count), of which roughly 4% are trucks.

How long is Coe Avenue over Harbor Brook?

The structure is 72 ft (21.9 m) long with a longest span of 36 ft (11 m) and a deck 49 ft wide.

Who owns Coe Avenue over Harbor Brook?

It is owned by the City or Municipal Highway Agency.