US Bridges

Route 372 over Route 9

Fair

Middlesex County, Connecticut · Route 9 Exit No. 19 · Structure no. 03522

Built
1967
58 years old, rebuilt 1992
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
269 ft
3 main spans
Daily traffic
17,400
2021 count
Owner
State
State Highway Agency

About this bridge

Route 372 over Route 9 is a steel continuous stringer/multi-beam or girder carrying Route 372 over Route 9 in Middlesex County, Connecticut. It was built in 1967 and reconstructed in 1992, 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 17,400 vehicles a day, roughly 5% of them trucks, projected to reach 25,855 by 2041. The structure is 269 ft (82 m) long and 52 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesRoute 372
CrossesRoute 9
LocationRoute 9 Exit No. 19
RouteState Highway 372
Coordinates41.60433, -72.67394
Functional classUrban Minor Arterial

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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment8: Equal to present desirable criteria
Operating rating57.1 US tons
Inventory rating44 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length269 ft (82 m)
Longest span101 ft (30.8 m)
Deck width52 ft (15.7 m)
Roadway width46 ft (14 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic17,400 (2021)
Projected traffic25,855 by 2041
Trucks5%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

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 372 over Route 9 built?

It was built in 1967, making it 58 years old in 2025. It was reconstructed in 1992.

What condition is Route 372 over Route 9 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 2024.

How much traffic does Route 372 over Route 9 carry?

About 17,400 vehicles per day (2021 count), of which roughly 5% are trucks.

How long is Route 372 over Route 9?

The structure is 269 ft (82 m) long with a longest span of 101 ft (30.8 m) and a deck 52 ft wide.

Who owns Route 372 over Route 9?

It is owned by the State Highway Agency.