US Bridges

INTERSTATE-84 over Roaring Brook

Fair

Tolland County, Connecticut · 1.3 Mile East of Route 32 · Structure no. 04308

Built
1940
85 years old, rebuilt 1979
Condition
Fair
inspected April 2023
Type
Culvert
Concrete Continuous
Length
45 ft
3 main spans
Daily traffic
54,200
2018 count
Owner
State
State Highway Agency

About this bridge

INTERSTATE-84 over Roaring Brook is a concrete continuous culvert carrying INTERSTATE-84 over Roaring Brook in Tolland County, Connecticut. It was built in 1940 and reconstructed in 1979, so it is 85 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 54,200 vehicles a day, roughly 10% of them trucks, projected to reach 80,536 by 2038. The structure is 45 ft (13.7 m) long. If it were closed, the detour would be 8.7 mi (14 km).

CarriesINTERSTATE-84
CrossesRoaring Brook
Location1.3 Mile East of Route 32
RouteInterstate 84
Coordinates41.91056, -72.27059
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating110.1 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadUnknown
Structure length45 ft (13.7 m)
Longest span14 ft (4.3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic54,200 (2018)
Projected traffic80,536 by 2038
Trucks10%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 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 Roaring Brook built?

It was built in 1940, making it 85 years old in 2025. It was reconstructed in 1979.

What condition is INTERSTATE-84 over Roaring 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 April 2023.

How much traffic does INTERSTATE-84 over Roaring Brook carry?

About 54,200 vehicles per day (2018 count), of which roughly 10% are trucks.

How long is INTERSTATE-84 over Roaring Brook?

The structure is 45 ft (13.7 m) long with a longest span of 14 ft (4.3 m).

Who owns INTERSTATE-84 over Roaring Brook?

It is owned by the State Highway Agency.