US Bridges

Plumtrees Road over East Swamp Brook

Good

Fairfield County, Connecticut · JCT of Walnut Hill Road · Structure no. 03706

Built
2016
9 years old
Condition
Good
inspected April 2023
Type
Culvert
Concrete
Length
30 ft
2 main spans
Daily traffic
6,600
2023 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Plumtrees Road over East Swamp Brook is a concrete culvert carrying Plumtrees Road over East Swamp Brook in Fairfield 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 6,600 vehicles a day, roughly 5% of them trucks, projected to reach 9,807 by 2043. The structure is 30 ft (9.2 m) long and 105 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesPlumtrees Road
CrossesEast Swamp Brook
LocationJCT of Walnut Hill Road
RouteCity Street 0
Coordinates41.3859, -73.39834
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
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating56.4 US tons
Inventory rating43.2 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHL 93
Structure length30 ft (9.2 m)
Longest span18 ft (5.6 m)
Deck width105 ft (32 m)
Roadway width70 ft (21.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,600 (2023)
Projected traffic9,807 by 2043
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.9 mi (3 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 Plumtrees Road over East Swamp Brook built?

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

What condition is Plumtrees Road over East Swamp 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 April 2023.

How much traffic does Plumtrees Road over East Swamp Brook carry?

About 6,600 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is Plumtrees Road over East Swamp Brook?

The structure is 30 ft (9.2 m) long with a longest span of 18 ft (5.6 m) and a deck 105 ft wide.

Who owns Plumtrees Road over East Swamp Brook?

It is owned by the Town or Township Highway Agency.