US Bridges

Route 9 Northbound over Route 372

Fair

Hartford County, Connecticut · At Exit 21 · Structure no. 05800

Built
1988
37 years old
Condition
Fair
inspected March 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
186 ft
1 main span
Daily traffic
29,200
2021 count
Owner
State
State Highway Agency

About this bridge

Route 9 Northbound over Route 372 is a steel stringer/multi-beam or girder carrying Route 9 Northbound over Route 372 in Hartford County, Connecticut. It was built in 1988, so it is 37 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 29,200 vehicles a day, roughly 8% of them trucks, projected to reach 43,388 by 2041. The structure is 186 ft (56.7 m) long and 46 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesRoute 9 Northbound
CrossesRoute 372
LocationAt Exit 21
RouteState Highway 9
Coordinates41.62116, -72.73316
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 inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating83.2 US tons
Inventory rating64.3 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length186 ft (56.7 m)
Longest span175 ft (53.3 m)
Deck width46 ft (13.9 m)
Roadway width42 ft (12.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic29,200 (2021)
Projected traffic43,388 by 2041
Trucks8%
Lanes on structure2
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 Route 372 built?

It was built in 1988, making it 37 years old in 2025.

What condition is Route 9 Northbound over Route 372 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 2023.

How much traffic does Route 9 Northbound over Route 372 carry?

About 29,200 vehicles per day (2021 count), of which roughly 8% are trucks.

How long is Route 9 Northbound over Route 372?

The structure is 186 ft (56.7 m) long with a longest span of 175 ft (53.3 m) and a deck 46 ft wide.

Who owns Route 9 Northbound over Route 372?

It is owned by the State Highway Agency.