US Bridges

Thorpe Street Ext over Boggs Pond Brook

Good

Fairfield County, Connecticut · 0.1 E of Route 39 · Structure no. 05097

Built
2003
22 years old
Condition
Good
inspected April 2022
Type
Culvert
Concrete
Length
26 ft
2 main spans
Daily traffic
3,140
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

Thorpe Street Ext over Boggs Pond Brook is a concrete culvert carrying Thorpe Street Ext over Boggs Pond Brook in Fairfield County, Connecticut. It was built in 2003, so it is 22 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 3,140 vehicles a day, roughly 2% of them trucks, projected to reach 4,666 by 2042. The structure is 26 ft (7.9 m) long and 43 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesThorpe Street Ext
CrossesBoggs Pond Brook
Location0.1 E of Route 39
RouteCity Street 0
Coordinates41.40576, -73.45884
Functional classUrban Local

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 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating47 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckOther
Main spans2
Design loadUnknown
Structure length26 ft (7.9 m)
Longest span12 ft (3.7 m)
Deck width43 ft (13 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,140 (2022)
Projected traffic4,666 by 2042
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

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Thorpe Street Ext over Boggs Pond Brook built?

It was built in 2003, making it 22 years old in 2025.

What condition is Thorpe Street Ext over Boggs Pond 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 2022.

How much traffic does Thorpe Street Ext over Boggs Pond Brook carry?

About 3,140 vehicles per day (2022 count), of which roughly 2% are trucks.

How long is Thorpe Street Ext over Boggs Pond Brook?

The structure is 26 ft (7.9 m) long with a longest span of 12 ft (3.7 m) and a deck 43 ft wide.

Who owns Thorpe Street Ext over Boggs Pond Brook?

It is owned by the City or Municipal Highway Agency.