US Bridges

Route 9 Northbound over RTE 9 Ramp 043 & SR 901

Fair

Middlesex County, Connecticut · End Rt 99 at Rt 9 · Structure no. 03518

Built
1968
57 years old
Condition
Fair
inspected May 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
142 ft
3 main spans
Daily traffic
32,300
2019 count
Owner
State
State Highway Agency

About this bridge

Route 9 Northbound over RTE 9 Ramp 043 & SR 901 is a steel stringer/multi-beam or girder carrying Route 9 Northbound over RTE 9 Ramp 043 & SR 901 in Middlesex 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 32,300 vehicles a day, roughly 6% of them trucks, projected to reach 47,995 by 2039. The structure is 142 ft (43.3 m) long and 55 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesRoute 9 Northbound
CrossesRTE 9 Ramp 043 & SR 901
LocationEnd Rt 99 at Rt 9
RouteState Highway 9
CountyMiddlesex County
StateConnecticut
Coordinates41.58512, -72.64797
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 rating38.3 US tons
Inventory rating29.3 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length142 ft (43.3 m)
Longest span67 ft (20.3 m)
Deck width55 ft (16.9 m)
Roadway width52 ft (15.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic32,300 (2019)
Projected traffic47,995 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 Northbound over RTE 9 Ramp 043 & SR 901 built?

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

What condition is Route 9 Northbound 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 Northbound over RTE 9 Ramp 043 & SR 901 carry?

About 32,300 vehicles per day (2019 count), of which roughly 6% are trucks.

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

The structure is 142 ft (43.3 m) long with a longest span of 67 ft (20.3 m) and a deck 55 ft wide.

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

It is owned by the State Highway Agency.