US Bridges

SR 668 over Prov & Worc Railroad

Fair

Windham County, Connecticut · .8 Mile East of Route 169 · Structure no. 04268

Built
1979
46 years old
Condition
Fair
inspected March 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
133 ft
3 main spans
Daily traffic
2,200
2016 count
Owner
State
State Highway Agency

About this bridge

SR 668 over Prov & Worc Railroad is a prestressed concrete box beam or girders - multiple carrying SR 668 over Prov & Worc Railroad in Windham County, Connecticut. It was built in 1979, so it is 46 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 2,200 vehicles a day, roughly 5% of them trucks, projected to reach 3,269 by 2036. The structure is 133 ft (40.4 m) long and 45 ft wide. If it were closed, the detour would be 14.3 mi (23 km).

Location

Open in Google Maps
CarriesSR 668
CrossesProv & Worc Railroad
Location.8 Mile East of Route 169
RouteState Highway 668
CountyWindham County
StateConnecticut
Coordinates41.65056, -71.96383
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating90.7 US tons
Inventory rating56.4 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckOther
Main spans3
Design loadHS 20
Structure length133 ft (40.4 m)
Longest span45 ft (13.6 m)
Deck width45 ft (13.8 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,200 (2016)
Projected traffic3,269 by 2036
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesRailroad
Detour if closed14.3 mi (23 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was SR 668 over Prov & Worc Railroad built?

It was built in 1979, making it 46 years old in 2025.

What condition is SR 668 over Prov & Worc Railroad 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 March 2023.

How much traffic does SR 668 over Prov & Worc Railroad carry?

About 2,200 vehicles per day (2016 count), of which roughly 5% are trucks.

How long is SR 668 over Prov & Worc Railroad?

The structure is 133 ft (40.4 m) long with a longest span of 45 ft (13.6 m) and a deck 45 ft wide.

Who owns SR 668 over Prov & Worc Railroad?

It is owned by the State Highway Agency.