US Bridges

Dublin Hill Road over Ponset Brook

Good

Middlesex County, Connecticut · 40 Ft N of Depot RD · Structure no. 04682

Built
2019
6 years old
Condition
Good
inspected June 2023
Type
Arch - Deck
Concrete
Length
84 ft
2 main spans
Daily traffic
810
2023 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Dublin Hill Road over Ponset Brook is a concrete arch - deck carrying Dublin Hill Road over Ponset Brook in Middlesex County, Connecticut. It was built in 2019, so it is 6 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 810 vehicles a day, roughly 2% of them trucks, projected to reach 1,204 by 2043. The structure is 84 ft (25.6 m) long and 33 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesDublin Hill Road
CrossesPonset Brook
Location40 Ft N of Depot RD
RouteCity Street 0
CountyMiddlesex County
StateConnecticut
Coordinates41.49878, -72.55695
Functional classUrban Local

Condition and inspection

Good

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

ComponentRatingMeaning
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating78.6 US tons
Inventory rating75.7 US tons

Structure

Structure typeArch - Deck
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHL 93
Structure length84 ft (25.6 m)
Longest span84 ft (25.6 m)
Deck width33 ft (10.2 m)
Roadway width25 ft (7.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic810 (2023)
Projected traffic1,204 by 2043
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerTown or Township Highway Agency
Maintained byTown or Township Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$3.4 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Dublin Hill Road over Ponset Brook built?

It was built in 2019, making it 6 years old in 2025.

What condition is Dublin Hill Road 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 June 2023.

How much traffic does Dublin Hill Road over Ponset Brook carry?

About 810 vehicles per day (2023 count), of which roughly 2% are trucks.

How long is Dublin Hill Road over Ponset Brook?

The structure is 84 ft (25.6 m) long with a longest span of 84 ft (25.6 m) and a deck 33 ft wide.

Who owns Dublin Hill Road over Ponset Brook?

It is owned by the Town or Township Highway Agency.