US Bridges

Route 154 over Roaring Brook

Poor

Middlesex County, Connecticut · 100 Ft N of Route 82 · Structure no. 00622

Built
1931
94 years old
Condition
Poor
inspected August 2023
Type
Slab
Concrete
Length
20 ft
1 main span
Daily traffic
3,800
2022 count
Owner
State
State Highway Agency

About this bridge

Route 154 over Roaring Brook is a concrete slab carrying Route 154 over Roaring Brook in Middlesex County, Connecticut. It was built in 1931, so it is 94 years old, older than the Connecticut average of 56.7 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 3,800 vehicles a day, roughly 5% of them trucks, projected to reach 5,646 by 2042. The structure is 20 ft (6.1 m) long and 59 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesRoute 154
CrossesRoaring Brook
Location100 Ft N of Route 82
RouteState Highway 154
CountyMiddlesex County
StateConnecticut
Coordinates41.4442, -72.47112
Functional classRural Minor Arterial

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
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 rating47 US tons
Inventory rating36 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length20 ft (6.1 m)
Longest span20 ft (6.1 m)
Deck width59 ft (17.9 m)
Roadway width38 ft (11.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,800 (2022)
Projected traffic5,646 by 2042
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$5 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Route 154 over Roaring Brook built?

It was built in 1931, making it 94 years old in 2025.

What condition is Route 154 over Roaring Brook in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in August 2023.

How much traffic does Route 154 over Roaring Brook carry?

About 3,800 vehicles per day (2022 count), of which roughly 5% are trucks.

How long is Route 154 over Roaring Brook?

The structure is 20 ft (6.1 m) long with a longest span of 20 ft (6.1 m) and a deck 59 ft wide.

Who owns Route 154 over Roaring Brook?

It is owned by the State Highway Agency.