US Bridges

Route 9 Southbound over RTE 9 Ramp 043 & SR 901

Fair

Middlesex County, Connecticut · At End of Rt 99 · Structure no. 03517

Built
1967
58 years old
Condition
Fair
inspected May 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
136 ft
3 main spans
Daily traffic
33,400
2019 count
Owner
State
State Highway Agency

About this bridge

Route 9 Southbound over RTE 9 Ramp 043 & SR 901 is a steel stringer/multi-beam or girder carrying Route 9 Southbound over RTE 9 Ramp 043 & SR 901 in Middlesex County, Connecticut. It was built in 1967, so it is 58 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 33,400 vehicles a day, roughly 6% of them trucks, projected to reach 49,629 by 2039. The structure is 136 ft (41.5 m) long and 55 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesRoute 9 Southbound
CrossesRTE 9 Ramp 043 & SR 901
LocationAt End of Rt 99
RouteState Highway 9
Coordinates41.58494, -72.64828
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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 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 geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating67.2 US tons
Inventory rating40.3 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length136 ft (41.5 m)
Longest span65 ft (19.8 m)
Deck width55 ft (16.9 m)
Roadway width52 ft (15.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic33,400 (2019)
Projected traffic49,629 by 2039
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 RTE 9 Ramp 043 & SR 901 built?

It was built in 1967, making it 58 years old in 2025.

What condition is Route 9 Southbound over RTE 9 Ramp 043 & SR 901 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 2023.

How much traffic does Route 9 Southbound over RTE 9 Ramp 043 & SR 901 carry?

About 33,400 vehicles per day (2019 count), of which roughly 6% are trucks.

How long is Route 9 Southbound over RTE 9 Ramp 043 & SR 901?

The structure is 136 ft (41.5 m) long with a longest span of 65 ft (19.8 m) and a deck 55 ft wide.

Who owns Route 9 Southbound over RTE 9 Ramp 043 & SR 901?

It is owned by the State Highway Agency.