US Bridges

SR 608 over Yantic River

Fair

New London County, Connecticut · 1.49 MI East of Bozrah Tl · Structure no. 01632

Built
1941
84 years old, rebuilt 1999
Condition
Fair
inspected May 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
82 ft
1 main span
Daily traffic
1,200
2017 count
Owner
State
State Highway Agency

About this bridge

SR 608 over Yantic River is a prestressed concrete box beam or girders - multiple carrying SR 608 over Yantic River in New London County, Connecticut. It was built in 1941 and reconstructed in 1999, so it is 84 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 1,200 vehicles a day, roughly 2% of them trucks, projected to reach 1,783 by 2037. The structure is 82 ft (25 m) long and 36 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesSR 608
CrossesYantic River
Location1.49 MI East of Bozrah Tl
RouteState Highway 608
Coordinates41.57007, -72.17579
Functional classUrban Other Principal 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating81.1 US tons
Inventory rating48.6 US tons

Structure

MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHS 20
Structure length82 ft (25 m)
Longest span76 ft (23.2 m)
Deck width36 ft (11.1 m)
Roadway width33 ft (10 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,200 (2017)
Projected traffic1,783 by 2037
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 608 over Yantic River built?

It was built in 1941, making it 84 years old in 2025. It was reconstructed in 1999.

What condition is SR 608 over Yantic River 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 May 2023.

How much traffic does SR 608 over Yantic River carry?

About 1,200 vehicles per day (2017 count), of which roughly 2% are trucks.

How long is SR 608 over Yantic River?

The structure is 82 ft (25 m) long with a longest span of 76 ft (23.2 m) and a deck 36 ft wide.

Who owns SR 608 over Yantic River?

It is owned by the State Highway Agency.