US Bridges

Route 148 over Pattaconk Brook

Fair

Middlesex County, Connecticut · 0.6 MI E of Route 9 · Structure no. 05285

Built
1984
41 years old
Condition
Fair
inspected July 2023
Type
Culvert
Concrete
Length
45 ft
3 main spans
Daily traffic
3,600
2022 count
Owner
State
State Highway Agency

About this bridge

Route 148 over Pattaconk Brook is a concrete culvert carrying Route 148 over Pattaconk Brook in Middlesex County, Connecticut. It was built in 1984, so it is 41 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 3,600 vehicles a day, roughly 2% of them trucks, projected to reach 5,349 by 2042. The structure is 45 ft (13.7 m) long and 55 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesRoute 148
CrossesPattaconk Brook
Location0.6 MI E of Route 9
RouteState Highway 148
Coordinates41.39934, -72.46253
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating47 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20
Structure length45 ft (13.7 m)
Longest span14 ft (4.3 m)
Deck width55 ft (16.8 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,600 (2022)
Projected traffic5,349 by 2042
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
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 Route 148 over Pattaconk Brook built?

It was built in 1984, making it 41 years old in 2025.

What condition is Route 148 over Pattaconk Brook 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 Route 148 over Pattaconk Brook carry?

About 3,600 vehicles per day (2022 count), of which roughly 2% are trucks.

How long is Route 148 over Pattaconk Brook?

The structure is 45 ft (13.7 m) long with a longest span of 14 ft (4.3 m) and a deck 55 ft wide.

Who owns Route 148 over Pattaconk Brook?

It is owned by the State Highway Agency.