US Bridges

Andrasko Road over Beacon Hill Brook

Fair

New Haven County, Connecticut · 500 Ft E of Route 8 · Structure no. 04919

Built
1950
75 years old
Condition
Fair
inspected October 2023
Type
Arch - Deck
Concrete
Length
40 ft
1 main span
Daily traffic
269
2023 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Andrasko Road over Beacon Hill Brook is a concrete arch - deck carrying Andrasko Road over Beacon Hill Brook in New Haven County, Connecticut. It was built in 1950, so it is 75 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 269 vehicles a day, roughly 2% of them trucks, projected to reach 400 by 2043. The structure is 40 ft (12.2 m) long and 30 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesAndrasko Road
CrossesBeacon Hill Brook
Location500 Ft E of Route 8
RouteCity Street 0
CountyNew Haven County
StateConnecticut
Coordinates41.46844, -73.05012
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
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2023
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
Deck geometry6: Equal to present minimum criteria
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 typeArch - Deck
MaterialConcrete
DeckNot applicable
Main spans1
Design loadUnknown
Structure length40 ft (12.2 m)
Longest span40 ft (12.2 m)
Deck width30 ft (9.2 m)
Roadway width28 ft (8.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic269 (2023)
Projected traffic400 by 2043
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
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 Andrasko Road over Beacon Hill Brook built?

It was built in 1950, making it 75 years old in 2025.

What condition is Andrasko Road over Beacon Hill 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 October 2023.

How much traffic does Andrasko Road over Beacon Hill Brook carry?

About 269 vehicles per day (2023 count), of which roughly 2% are trucks.

How long is Andrasko Road over Beacon Hill Brook?

The structure is 40 ft (12.2 m) long with a longest span of 40 ft (12.2 m) and a deck 30 ft wide.

Who owns Andrasko Road over Beacon Hill Brook?

It is owned by the Town or Township Highway Agency.