US Bridges

Route 154 over Ponset Brook

Good

Middlesex County, Connecticut · 200 South of Route 81 · Structure no. 05534

Built
1987
38 years old
Condition
Good
inspected April 2022
Type
Culvert
Concrete
Length
34 ft
3 main spans
Daily traffic
5,400
2019 count
Owner
State
State Highway Agency

About this bridge

Route 154 over Ponset Brook is a concrete culvert carrying Route 154 over Ponset Brook in Middlesex County, Connecticut. It was built in 1987, so it is 38 years old, younger than the Connecticut average of 56.7 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 5,400 vehicles a day, roughly 3% of them trucks, projected to reach 8,024 by 2039. The structure is 34 ft (10.4 m) long and 49 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesRoute 154
CrossesPonset Brook
Location200 South of Route 81
RouteState Highway 154
Coordinates41.49697, -72.55708
Functional classUrban Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionApril 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
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
DeckNot applicable
Main spans3
Design loadUnknown
Structure length34 ft (10.4 m)
Longest span10 ft (3 m)
Deck width49 ft (14.8 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,400 (2019)
Projected traffic8,024 by 2039
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed6.2 mi (10 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 Route 154 over Ponset Brook built?

It was built in 1987, making it 38 years old in 2025.

What condition is Route 154 over Ponset Brook in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in April 2022.

How much traffic does Route 154 over Ponset Brook carry?

About 5,400 vehicles per day (2019 count), of which roughly 3% are trucks.

How long is Route 154 over Ponset Brook?

The structure is 34 ft (10.4 m) long with a longest span of 10 ft (3 m) and a deck 49 ft wide.

Who owns Route 154 over Ponset Brook?

It is owned by the State Highway Agency.