US Bridges

Dolbia Hill Road 2 over Eight Mile River

Good

Middlesex County, Connecticut · 715 Ft E of Ssr 434 · Structure no. 04650

Built
2005
20 years old
Condition
Good
inspected November 2022
Type
Slab
Wood or Timber
Length
39 ft
1 main span
Daily traffic
87
2022 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Dolbia Hill Road 2 over Eight Mile River is a wood or timber slab carrying Dolbia Hill Road 2 over Eight Mile River in Middlesex County, Connecticut. It was built in 2005, so it is 20 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 87 vehicles a day, roughly 4% of them trucks, projected to reach 129 by 2042. The structure is 39 ft (11.9 m) long and 20 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesDolbia Hill Road 2
CrossesEight Mile River
Location715 Ft E of Ssr 434
RouteCity Street 0
Coordinates41.45202, -72.33638
Functional classRural Local

Condition and inspection

Good

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionNovember 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating70.7 US tons
Inventory rating48.9 US tons

Structure

Structure typeSlab
MaterialWood or Timber
DeckWood or timber
Main spans1
Design loadHS 20
Structure length39 ft (11.9 m)
Longest span32 ft (9.8 m)
Deck width20 ft (6.2 m)
Roadway width18 ft (5.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic87 (2022)
Projected traffic129 by 2042
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Dolbia Hill Road 2 over Eight Mile River built?

It was built in 2005, making it 20 years old in 2025.

What condition is Dolbia Hill Road 2 over Eight Mile River 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 November 2022.

How much traffic does Dolbia Hill Road 2 over Eight Mile River carry?

About 87 vehicles per day (2022 count), of which roughly 4% are trucks.

How long is Dolbia Hill Road 2 over Eight Mile River?

The structure is 39 ft (11.9 m) long with a longest span of 32 ft (9.8 m) and a deck 20 ft wide.

Who owns Dolbia Hill Road 2 over Eight Mile River?

It is owned by the Town or Township Highway Agency.