US Bridges

Blake Street over Wintergreen Brook

Fair

New Haven County, Connecticut · 150 W. of Farnham Avenue · Structure no. 04889

Built
1939
86 years old, rebuilt 2006
Condition
Fair
inspected June 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
48 ft
1 main span
Daily traffic
7,000
2018 count
Owner
City
City or Municipal Highway Agency

About this bridge

Blake Street over Wintergreen Brook is a prestressed concrete box beam or girders - multiple carrying Blake Street over Wintergreen Brook in New Haven County, Connecticut. It was built in 1939 and reconstructed in 2006, so it is 86 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 7,000 vehicles a day, roughly 6% of them trucks, projected to reach 10,401 by 2038. The structure is 48 ft (14.6 m) long and 50 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesBlake Street
CrossesWintergreen Brook
Location150 W. of Farnham Avenue
RouteCity Street 0
Coordinates41.32879, -72.95516
Functional classRural Major Collector

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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating94 US tons
Inventory rating56.3 US tons

Structure

MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHS 20
Structure length48 ft (14.6 m)
Longest span43 ft (13.1 m)
Deck width50 ft (15.1 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,000 (2018)
Projected traffic10,401 by 2038
Trucks6%
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 Blake Street over Wintergreen Brook built?

It was built in 1939, making it 86 years old in 2025. It was reconstructed in 2006.

What condition is Blake Street over Wintergreen 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 June 2023.

How much traffic does Blake Street over Wintergreen Brook carry?

About 7,000 vehicles per day (2018 count), of which roughly 6% are trucks.

How long is Blake Street over Wintergreen Brook?

The structure is 48 ft (14.6 m) long with a longest span of 43 ft (13.1 m) and a deck 50 ft wide.

Who owns Blake Street over Wintergreen Brook?

It is owned by the City or Municipal Highway Agency.