US Bridges

Plymouth Street over Deckers Brook

Poor

Hartford County, Connecticut · .6 Miles S of JCT SR 178 · Structure no. 05947

Built
1955
70 years old
Condition
Poor
inspected May 2023
Type
Culvert
Steel
Length
20 ft
2 main spans
Daily traffic
212
2023 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Plymouth Street over Deckers Brook is a steel culvert carrying Plymouth Street over Deckers Brook in Hartford County, Connecticut. It was built in 1955, so it is 70 years old, older than the Connecticut average of 56.7 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 212 vehicles a day, roughly 2% of them trucks, projected to reach 315 by 2043. The structure is 20 ft (6.1 m) long. If it were closed, the detour would be 1.2 mi (2 km).

CarriesPlymouth Street
CrossesDeckers Brook
Location.6 Miles S of JCT SR 178
RouteCity Street 0
Coordinates41.83187, -72.65902
Functional classUrban Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Channel and channel protection8 Very GoodNo problems noted.
Culvert4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating82.9 US tons
Inventory rating63.9 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans2
Design loadUnknown
Structure length20 ft (6.1 m)
Longest span8 ft (2.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic212 (2023)
Projected traffic315 by 2043
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

OwnerTown or Township Highway Agency
Maintained byTown or Township 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 Plymouth Street over Deckers Brook built?

It was built in 1955, making it 70 years old in 2025.

What condition is Plymouth Street over Deckers Brook in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in May 2023.

How much traffic does Plymouth Street over Deckers Brook carry?

About 212 vehicles per day (2023 count), of which roughly 2% are trucks.

How long is Plymouth Street over Deckers Brook?

The structure is 20 ft (6.1 m) long with a longest span of 8 ft (2.4 m).

Who owns Plymouth Street over Deckers Brook?

It is owned by the Town or Township Highway Agency.