US Bridges

Main Street over Pattaconk Brook

Good

Middlesex County, Connecticut · 55 Ft S of Route 148 · Structure no. 02937

Built
2016
9 years old
Condition
Good
inspected May 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
31 ft
1 main span
Daily traffic
1,500
2019 count
Owner
State
State Highway Agency

About this bridge

Main Street over Pattaconk Brook is a steel stringer/multi-beam or girder carrying Main Street over Pattaconk Brook in Middlesex County, Connecticut. It was built in 2016, so it is 9 years old, younger than the Connecticut average of 56.7 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 1,500 vehicles a day, roughly 2% of them trucks, projected to reach 2,229 by 2039. The structure is 31 ft (9.4 m) long and 66 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesMain Street
CrossesPattaconk Brook
Location55 Ft S of Route 148
RouteCity Street 0
Coordinates41.40294, -72.45087
Functional classUrban Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating54.7 US tons
Inventory rating42.1 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length31 ft (9.4 m)
Longest span28 ft (8.5 m)
Deck width66 ft (20.2 m)
Roadway width37 ft (11.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,500 (2019)
Projected traffic2,229 by 2039
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Main Street over Pattaconk Brook built?

It was built in 2016, making it 9 years old in 2025.

What condition is Main Street over Pattaconk Brook in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in May 2024.

How much traffic does Main Street over Pattaconk Brook carry?

About 1,500 vehicles per day (2019 count), of which roughly 2% are trucks.

How long is Main Street over Pattaconk Brook?

The structure is 31 ft (9.4 m) long with a longest span of 28 ft (8.5 m) and a deck 66 ft wide.

Who owns Main Street over Pattaconk Brook?

It is owned by the State Highway Agency.