US Bridges

Route 9 Northbound over West Bridge Street

Fair

Middlesex County, Connecticut · 0.2 MI North of Route 80 · Structure no. 03449

Built
1967
58 years old
Condition
Fair
inspected April 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
115 ft
3 main spans
Daily traffic
16,000
2019 count
Owner
State
State Highway Agency

About this bridge

Route 9 Northbound over West Bridge Street is a prestressed concrete stringer/multi-beam or girder carrying Route 9 Northbound over West Bridge Street in Middlesex County, Connecticut. It was built in 1967, so it is 58 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 16,000 vehicles a day, roughly 6% of them trucks, projected to reach 23,774 by 2039. The structure is 115 ft (35.1 m) long and 53 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesRoute 9 Northbound
CrossesWest Bridge Street
Location0.2 MI North of Route 80
RouteState Highway 9
Coordinates41.38393, -72.4484
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.6 US tons
Inventory rating45 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length115 ft (35.1 m)
Longest span56 ft (17.1 m)
Deck width53 ft (16.3 m)
Roadway width48 ft (14.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic16,000 (2019)
Projected traffic23,774 by 2039
Trucks6%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Route 9 Northbound over West Bridge Street built?

It was built in 1967, making it 58 years old in 2025.

What condition is Route 9 Northbound over West Bridge Street 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 April 2024.

How much traffic does Route 9 Northbound over West Bridge Street carry?

About 16,000 vehicles per day (2019 count), of which roughly 6% are trucks.

How long is Route 9 Northbound over West Bridge Street?

The structure is 115 ft (35.1 m) long with a longest span of 56 ft (17.1 m) and a deck 53 ft wide.

Who owns Route 9 Northbound over West Bridge Street?

It is owned by the State Highway Agency.