US Bridges

Beacon Valley Road over Beacon Hill Brook

Good

New Haven County, Connecticut · 0.3 MI S of Route 8 · Structure no. 05364

Built
1933
92 years old, rebuilt 2023
Condition
Good
inspected September 2023
Type
Arch - Deck
Steel
Length
31 ft
2 main spans
Daily traffic
2,600
2021 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Beacon Valley Road over Beacon Hill Brook is a steel arch - deck carrying Beacon Valley Road over Beacon Hill Brook in New Haven County, Connecticut. It was built in 1933 and reconstructed in 2023, so it is 92 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 2,600 vehicles a day, roughly 4% of them trucks, projected to reach 3,863 by 2041. The structure is 31 ft (9.4 m) long and 29 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesBeacon Valley Road
CrossesBeacon Hill Brook
Location0.3 MI S of Route 8
RouteCity Street 0
CountyNew Haven County
StateConnecticut
Coordinates41.4689, -73.0462
Functional classUrban Collector

Condition and inspection

Good

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

ComponentRatingMeaning
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 geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating107.1 US tons
Inventory rating107.1 US tons

Structure

Structure typeArch - Deck
MaterialSteel
DeckNot applicable
Main spans2
Design loadUnknown
Structure length31 ft (9.4 m)
Longest span13 ft (4 m)
Deck width29 ft (8.7 m)
Roadway width23 ft (7.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,600 (2021)
Projected traffic3,863 by 2041
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1.6 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Beacon Valley Road over Beacon Hill Brook built?

It was built in 1933, making it 92 years old in 2025. It was reconstructed in 2023.

What condition is Beacon Valley Road 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 Beacon Valley Road over Beacon Hill Brook carry?

About 2,600 vehicles per day (2021 count), of which roughly 4% are trucks.

How long is Beacon Valley Road over Beacon Hill Brook?

The structure is 31 ft (9.4 m) long with a longest span of 13 ft (4 m) and a deck 29 ft wide.

Who owns Beacon Valley Road over Beacon Hill Brook?

It is owned by the Town or Township Highway Agency.