US Bridges

Chestnut Street over Route 9 Northbound

Fair

Hartford County, Connecticut · 0.1 Mile S. of Junc RT72 · Structure no. 04240

Built
1975
50 years old
Condition
Fair
inspected July 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
155 ft
1 main span
Daily traffic
4,500
2021 count
Owner
State
State Highway Agency

About this bridge

Chestnut Street over Route 9 Northbound is a steel stringer/multi-beam or girder carrying Chestnut Street over Route 9 Northbound in Hartford County, Connecticut. It was built in 1975, so it is 50 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 4,500 vehicles a day, roughly 4% of them trucks, projected to reach 6,687 by 2041. The structure is 155 ft (47.2 m) long and 89 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesChestnut Street
CrossesRoute 9 Northbound
Location0.1 Mile S. of Junc RT72
RouteCity Street 0
CountyHartford County
StateConnecticut
Coordinates41.66637, -72.77299
Functional classUrban Collector

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 inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating77.5 US tons
Inventory rating0 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length155 ft (47.2 m)
Longest span150 ft (45.7 m)
Deck width89 ft (27 m)
Roadway width52 ft (15.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,500 (2021)
Projected traffic6,687 by 2041
Trucks4%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed1.9 mi (3 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 Chestnut Street over Route 9 Northbound built?

It was built in 1975, making it 50 years old in 2025.

What condition is Chestnut Street over Route 9 Northbound 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 July 2023.

How much traffic does Chestnut Street over Route 9 Northbound carry?

About 4,500 vehicles per day (2021 count), of which roughly 4% are trucks.

How long is Chestnut Street over Route 9 Northbound?

The structure is 155 ft (47.2 m) long with a longest span of 150 ft (45.7 m) and a deck 89 ft wide.

Who owns Chestnut Street over Route 9 Northbound?

It is owned by the State Highway Agency.