US Bridges

Route 9 Northbound over Route 9 Ramps 31 & 32

Fair

Middlesex County, Connecticut · Route 9 at Exit 10 · Structure no. 00627

Built
1959
66 years old, rebuilt 2000
Condition
Fair
inspected March 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
120 ft
2 main spans
Daily traffic
18,100
2019 count
Owner
State
State Highway Agency

About this bridge

Route 9 Northbound over Route 9 Ramps 31 & 32 is a steel stringer/multi-beam or girder carrying Route 9 Northbound over Route 9 Ramps 31 & 32 in Middlesex County, Connecticut. It was built in 1959 and reconstructed in 2000, so it is 66 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 18,100 vehicles a day, roughly 6% of them trucks, projected to reach 26,895 by 2039. The structure is 120 ft (36.6 m) long and 45 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesRoute 9 Northbound
CrossesRoute 9 Ramps 31 & 32
LocationRoute 9 at Exit 10
RouteState Highway 9
CountyMiddlesex County
StateConnecticut
Coordinates41.51245, -72.59772
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating97.1 US tons
Inventory rating58.2 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length120 ft (36.6 m)
Longest span59 ft (18 m)
Deck width45 ft (13.6 m)
Roadway width41 ft (12.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic18,100 (2019)
Projected traffic26,895 by 2039
Trucks6%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed3.7 mi (6 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 Route 9 Ramps 31 & 32 built?

It was built in 1959, making it 66 years old in 2025. It was reconstructed in 2000.

What condition is Route 9 Northbound over Route 9 Ramps 31 & 32 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 March 2024.

How much traffic does Route 9 Northbound over Route 9 Ramps 31 & 32 carry?

About 18,100 vehicles per day (2019 count), of which roughly 6% are trucks.

How long is Route 9 Northbound over Route 9 Ramps 31 & 32?

The structure is 120 ft (36.6 m) long with a longest span of 59 ft (18 m) and a deck 45 ft wide.

Who owns Route 9 Northbound over Route 9 Ramps 31 & 32?

It is owned by the State Highway Agency.