US Bridges

Route 9 Southbound over Route 372

Fair

Hartford County, Connecticut · At Exit 21 · Structure no. 05801

Built
1988
37 years old
Condition
Fair
inspected March 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
176 ft
1 main span
Daily traffic
32,300
2021 count
Owner
State
State Highway Agency

About this bridge

Route 9 Southbound over Route 372 is a steel stringer/multi-beam or girder carrying Route 9 Southbound 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 32,300 vehicles a day, roughly 8% of them trucks, projected to reach 47,995 by 2041. The structure is 176 ft (53.6 m) long and 49 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesRoute 9 Southbound
CrossesRoute 372
LocationAt Exit 21
RouteState Highway 9
Coordinates41.62094, -72.73297
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 geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating67.1 US tons
Inventory rating51.8 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length176 ft (53.6 m)
Longest span166 ft (50.6 m)
Deck width49 ft (14.9 m)
Roadway width45 ft (13.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic32,300 (2021)
Projected traffic47,995 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 Southbound over Route 372 built?

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

What condition is Route 9 Southbound 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 Southbound over Route 372 carry?

About 32,300 vehicles per day (2021 count), of which roughly 8% are trucks.

How long is Route 9 Southbound over Route 372?

The structure is 176 ft (53.6 m) long with a longest span of 166 ft (50.6 m) and a deck 49 ft wide.

Who owns Route 9 Southbound over Route 372?

It is owned by the State Highway Agency.