US Bridges

Route 37 over Boggs Pond Brook

Fair

Fairfield County, Connecticut · .5 MI N. of Int. of 39&53 · Structure no. 00955

Built
1911
114 years old
Condition
Fair
inspected June 2023
Type
Arch - Deck
Masonry
Length
35 ft
2 main spans
Daily traffic
13,740
2023 count
Owner
State
State Highway Agency

About this bridge

Route 37 over Boggs Pond Brook is a masonry arch - deck carrying Route 37 over Boggs Pond Brook in Fairfield County, Connecticut. It was built in 1911, so it is 114 years old, older 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 13,740 vehicles a day, roughly 6% of them trucks, projected to reach 20,416 by 2043. The structure is 35 ft (10.7 m) long and 40 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesRoute 37
CrossesBoggs Pond Brook
Location.5 MI N. of Int. of 39&53
RouteState Highway 37
CountyFairfield County
StateConnecticut
Coordinates41.40406, -73.45725
Functional classUrban Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation6: Equal to 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 alignment6: Equal to present minimum criteria
Operating rating47 US tons
Inventory rating36 US tons

Structure

Structure typeArch - Deck
MaterialMasonry
DeckNot applicable
Main spans2
Design loadUnknown
Structure length35 ft (10.7 m)
Longest span16 ft (4.9 m)
Deck width40 ft (12.2 m)
Roadway width35 ft (10.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic13,740 (2023)
Projected traffic20,416 by 2043
Trucks6%
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 Route 37 over Boggs Pond Brook built?

It was built in 1911, making it 114 years old in 2025.

What condition is Route 37 over Boggs Pond 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 June 2023.

How much traffic does Route 37 over Boggs Pond Brook carry?

About 13,740 vehicles per day (2023 count), of which roughly 6% are trucks.

How long is Route 37 over Boggs Pond Brook?

The structure is 35 ft (10.7 m) long with a longest span of 16 ft (4.9 m) and a deck 40 ft wide.

Who owns Route 37 over Boggs Pond Brook?

It is owned by the State Highway Agency.