US Bridges

Route 9 Southbound over SR 571

Fair

Hartford County, Connecticut · At Route 9/ Rt 372 · Structure no. 03506

Built
1968
57 years old
Condition
Fair
inspected August 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
287 ft
2 main spans
Daily traffic
38,300
2022 count
Owner
State
State Highway Agency

About this bridge

Route 9 Southbound over SR 571 is a steel continuous stringer/multi-beam or girder carrying Route 9 Southbound over SR 571 in Hartford County, Connecticut. It was built in 1968, so it is 57 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 5 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 38,300 vehicles a day, roughly 6% of them trucks, projected to reach 56,910 by 2042. The structure is 287 ft (87.5 m) long and 43 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesRoute 9 Southbound
CrossesSR 571
LocationAt Route 9/ Rt 372
RouteState Highway 9
Coordinates41.64669, -72.76631
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating73.3 US tons
Inventory rating44 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length287 ft (87.5 m)
Longest span148 ft (45.1 m)
Deck width43 ft (13 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic38,300 (2022)
Projected traffic56,910 by 2042
Trucks6%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.9 mi (3 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 SR 571 built?

It was built in 1968, making it 57 years old in 2025.

What condition is Route 9 Southbound over SR 571 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 August 2023.

How much traffic does Route 9 Southbound over SR 571 carry?

About 38,300 vehicles per day (2022 count), of which roughly 6% are trucks.

How long is Route 9 Southbound over SR 571?

The structure is 287 ft (87.5 m) long with a longest span of 148 ft (45.1 m) and a deck 43 ft wide.

Who owns Route 9 Southbound over SR 571?

It is owned by the State Highway Agency.