US Bridges

Route 37 over Quaker Brook

Fair

Fairfield County, Connecticut · .5MI S of Hardscrabble RD · Structure no. 00958

Built
1957
68 years old
Condition
Fair
inspected June 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
36 ft
1 main span
Daily traffic
2,900
2019 count
Owner
State
State Highway Agency

About this bridge

Route 37 over Quaker Brook is a steel stringer/multi-beam or girder carrying Route 37 over Quaker Brook in Fairfield County, Connecticut. It was built in 1957, so it is 68 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 5 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 2,900 vehicles a day, roughly 5% of them trucks, projected to reach 4,309 by 2039. The structure is 36 ft (11 m) long and 41 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

Location

Open in Google Maps
CarriesRoute 37
CrossesQuaker Brook
Location.5MI S of Hardscrabble RD
RouteState Highway 37
CountyFairfield County
StateConnecticut
Coordinates41.51347, -73.52417
Functional classRural Major 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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating51 US tons
Inventory rating39.2 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length36 ft (11 m)
Longest span28 ft (8.5 m)
Deck width41 ft (12.4 m)
Roadway width35 ft (10.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,900 (2019)
Projected traffic4,309 by 2039
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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 Quaker Brook built?

It was built in 1957, making it 68 years old in 2025.

What condition is Route 37 over Quaker 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 Quaker Brook carry?

About 2,900 vehicles per day (2019 count), of which roughly 5% are trucks.

How long is Route 37 over Quaker Brook?

The structure is 36 ft (11 m) long with a longest span of 28 ft (8.5 m) and a deck 41 ft wide.

Who owns Route 37 over Quaker Brook?

It is owned by the State Highway Agency.