US Bridges

Hillstown Road over INTERSTATE-384

Fair

Hartford County, Connecticut · 0.25 Mile S of Spencer ST · Structure no. 03575

Built
1970
55 years old, rebuilt 1992
Condition
Fair
inspected June 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
254 ft
2 main spans
Daily traffic
6,700
2021 count
Owner
State
State Highway Agency

About this bridge

Hillstown Road over INTERSTATE-384 is a steel continuous stringer/multi-beam or girder carrying Hillstown Road over INTERSTATE-384 in Hartford County, Connecticut. It was built in 1970 and reconstructed in 1992, so it is 55 years old, younger 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 6,700 vehicles a day, roughly 3% of them trucks, projected to reach 9,956 by 2041. The structure is 254 ft (77.3 m) long and 41 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesHillstown Road
CrossesINTERSTATE-384
Location0.25 Mile S of Spencer ST
RouteCity Street 0
CountyHartford County
StateConnecticut
Coordinates41.76462, -72.56892
Functional classUrban Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating25 US tons
Inventory rating19.3 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length254 ft (77.3 m)
Longest span129 ft (39.3 m)
Deck width41 ft (12.6 m)
Roadway width33 ft (10.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,700 (2021)
Projected traffic9,956 by 2041
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed3.1 mi (5 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Hillstown Road over INTERSTATE-384 built?

It was built in 1970, making it 55 years old in 2025. It was reconstructed in 1992.

What condition is Hillstown Road over INTERSTATE-384 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 June 2023.

How much traffic does Hillstown Road over INTERSTATE-384 carry?

About 6,700 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is Hillstown Road over INTERSTATE-384?

The structure is 254 ft (77.3 m) long with a longest span of 129 ft (39.3 m) and a deck 41 ft wide.

Who owns Hillstown Road over INTERSTATE-384?

It is owned by the State Highway Agency.