US Bridges

SR 616 over Sherman Brook

Fair

New London County, Connecticut · 2.5 MI E of Route 85 · Structure no. 05525

Built
1987
38 years old
Condition
Fair
inspected June 2024
Type
Culvert
Concrete Continuous
Length
27 ft
2 main spans
Daily traffic
1,600
2021 count
Owner
State
State Highway Agency

About this bridge

SR 616 over Sherman Brook is a concrete continuous culvert carrying SR 616 over Sherman Brook in New London County, Connecticut. It was built in 1987, so it is 38 years old, younger 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 1,600 vehicles a day, roughly 2% of them trucks, projected to reach 2,377 by 2041. The structure is 27 ft (8.2 m) long and 38 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesSR 616
CrossesSherman Brook
Location2.5 MI E of Route 85
RouteState Highway 616
CountyNew London County
StateConnecticut
Coordinates41.5751, -72.28498
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
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.3 US tons
Inventory rating45.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckOther
Main spans2
Design loadHS 20
Structure length27 ft (8.2 m)
Longest span13 ft (4 m)
Deck width38 ft (11.5 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,600 (2021)
Projected traffic2,377 by 2041
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 SR 616 over Sherman Brook built?

It was built in 1987, making it 38 years old in 2025.

What condition is SR 616 over Sherman 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 2024.

How much traffic does SR 616 over Sherman Brook carry?

About 1,600 vehicles per day (2021 count), of which roughly 2% are trucks.

How long is SR 616 over Sherman Brook?

The structure is 27 ft (8.2 m) long with a longest span of 13 ft (4 m) and a deck 38 ft wide.

Who owns SR 616 over Sherman Brook?

It is owned by the State Highway Agency.