US Bridges

RT8 & Rmps 139 140 over Beacon Hill Brook

Fair

New Haven County, Connecticut · At Exit 25 RTE 8 · Structure no. 04389

Built
1981
44 years old
Condition
Fair
inspected November 2023
Type
Culvert
Concrete Continuous
Length
42 ft
2 main spans
Daily traffic
48,000
2021 count
Owner
State
State Highway Agency

About this bridge

RT8 & Rmps 139 140 over Beacon Hill Brook is a concrete continuous culvert carrying RT8 & Rmps 139 140 over Beacon Hill Brook in New Haven County, Connecticut. It was built in 1981, so it is 44 years old, younger 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 48,000 vehicles a day, roughly 5% of them trucks, projected to reach 71,323 by 2041. The structure is 42 ft (12.8 m) long. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesRT8 & Rmps 139 140
CrossesBeacon Hill Brook
LocationAt Exit 25 RTE 8
RouteState Highway 8
CountyNew Haven County
StateConnecticut
Coordinates41.46849, -73.05137
Functional classUrban Principal Arterial - Other Freeway or Expressway

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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating110.1 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadUnknown
Structure length42 ft (12.8 m)
Longest span17 ft (5.2 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic48,000 (2021)
Projected traffic71,323 by 2041
Trucks5%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway
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 RT8 & Rmps 139 140 over Beacon Hill Brook built?

It was built in 1981, making it 44 years old in 2025.

What condition is RT8 & Rmps 139 140 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 November 2023.

How much traffic does RT8 & Rmps 139 140 over Beacon Hill Brook carry?

About 48,000 vehicles per day (2021 count), of which roughly 5% are trucks.

How long is RT8 & Rmps 139 140 over Beacon Hill Brook?

The structure is 42 ft (12.8 m) long with a longest span of 17 ft (5.2 m).

Who owns RT8 & Rmps 139 140 over Beacon Hill Brook?

It is owned by the State Highway Agency.