US Bridges

Route 9 Southbound over Route 153

Fair

Middlesex County, Connecticut · 275 Ft S of Route 154 · Structure no. 03341

Built
1966
59 years old
Condition
Fair
inspected May 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
139 ft
1 main span
Daily traffic
14,000
2022 count
Owner
State
State Highway Agency

About this bridge

Route 9 Southbound over Route 153 is a steel stringer/multi-beam or girder carrying Route 9 Southbound over Route 153 in Middlesex County, Connecticut. It was built in 1966, so it is 59 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 14,000 vehicles a day, roughly 6% of them trucks, projected to reach 20,803 by 2042. The structure is 139 ft (42.4 m) long and 44 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesRoute 9 Southbound
CrossesRoute 153
Location275 Ft S of Route 154
RouteState Highway 9
Coordinates41.35046, -72.40312
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating66.9 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length139 ft (42.4 m)
Longest span135 ft (41.1 m)
Deck width44 ft (13.3 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic14,000 (2022)
Projected traffic20,803 by 2042
Trucks6%
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 153 built?

It was built in 1966, making it 59 years old in 2025.

What condition is Route 9 Southbound over Route 153 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 May 2024.

How much traffic does Route 9 Southbound over Route 153 carry?

About 14,000 vehicles per day (2022 count), of which roughly 6% are trucks.

How long is Route 9 Southbound over Route 153?

The structure is 139 ft (42.4 m) long with a longest span of 135 ft (41.1 m) and a deck 44 ft wide.

Who owns Route 9 Southbound over Route 153?

It is owned by the State Highway Agency.