US Bridges

INTERSTATE-84 over Skungamaug River

Fair

Tolland County, Connecticut · 0.25 MI East of Route 195 · Structure no. 00839

Built
1954
71 years old, rebuilt 2007
Condition
Fair
inspected October 2023
Type
Slab
Prestressed Concrete
Length
25 ft
1 main span
Daily traffic
64,200
2018 count
Owner
State
State Highway Agency

About this bridge

INTERSTATE-84 over Skungamaug River is a prestressed concrete slab carrying INTERSTATE-84 over Skungamaug River in Tolland County, Connecticut. It was built in 1954 and reconstructed in 2007, so it is 71 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 64,200 vehicles a day, roughly 14% of them trucks, projected to reach 95,395 by 2038. The structure is 25 ft (7.6 m) long and 180 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesINTERSTATE-84
CrossesSkungamaug River
Location0.25 MI East of Route 195
RouteInterstate 84
Coordinates41.86596, -72.35639
Functional classRural Principal Arterial - Interstate

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating67.5 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHS 20
Structure length25 ft (7.6 m)
Longest span23 ft (7 m)
Deck width180 ft (55 m)
Roadway width154 ft (46.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic64,200 (2018)
Projected traffic95,395 by 2038
Trucks14%
Lanes on structure8
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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 INTERSTATE-84 over Skungamaug River built?

It was built in 1954, making it 71 years old in 2025. It was reconstructed in 2007.

What condition is INTERSTATE-84 over Skungamaug 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 October 2023.

How much traffic does INTERSTATE-84 over Skungamaug River carry?

About 64,200 vehicles per day (2018 count), of which roughly 14% are trucks.

How long is INTERSTATE-84 over Skungamaug River?

The structure is 25 ft (7.6 m) long with a longest span of 23 ft (7 m) and a deck 180 ft wide.

Who owns INTERSTATE-84 over Skungamaug River?

It is owned by the State Highway Agency.