US Bridges

Route 63 over Beacon Hill Brook

Good

New Haven County, Connecticut · 1.2 Miles N of Route 42 · Structure no. 03365

Built
1966
59 years old
Condition
Good
inspected September 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
32 ft
1 main span
Daily traffic
7,700
2021 count
Owner
State
State Highway Agency

About this bridge

Route 63 over Beacon Hill Brook is a steel stringer/multi-beam or girder carrying Route 63 over Beacon Hill Brook in New Haven County, Connecticut. It was built in 1966, so it is 59 years old, older than the Connecticut average of 56.7 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 7,700 vehicles a day, roughly 4% of them trucks, projected to reach 11,441 by 2041. The structure is 32 ft (9.8 m) long and 54 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesRoute 63
CrossesBeacon Hill Brook
Location1.2 Miles N of Route 42
RouteState Highway 63
Coordinates41.46736, -73.0046
Functional classUrban Other Principal Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44.3 US tons
Inventory rating34.3 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length32 ft (9.8 m)
Longest span28 ft (8.5 m)
Deck width54 ft (16.4 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,700 (2021)
Projected traffic11,441 by 2041
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 SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 Route 63 over Beacon Hill Brook built?

It was built in 1966, making it 59 years old in 2025.

What condition is Route 63 over Beacon Hill Brook in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in September 2023.

How much traffic does Route 63 over Beacon Hill Brook carry?

About 7,700 vehicles per day (2021 count), of which roughly 4% are trucks.

How long is Route 63 over Beacon Hill Brook?

The structure is 32 ft (9.8 m) long with a longest span of 28 ft (8.5 m) and a deck 54 ft wide.

Who owns Route 63 over Beacon Hill Brook?

It is owned by the State Highway Agency.