US Bridges

Flat Rock Hill RD over INTERSTATE-95

Good

New London County, Connecticut · 3.1 MI N of US Route 1 · Structure no. 00245

Built
1958
67 years old, rebuilt 2015
Condition
Good
inspected September 2021
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
180 ft
2 main spans
Daily traffic
143
2021 count
Owner
State
State Highway Agency

About this bridge

Flat Rock Hill RD over INTERSTATE-95 is a steel continuous stringer/multi-beam or girder carrying Flat Rock Hill RD over INTERSTATE-95 in New London County, Connecticut. It was built in 1958 and reconstructed in 2015, so it is 67 years old, older 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 143 vehicles a day, roughly 7% of them trucks, projected to reach 212 by 2041. The structure is 180 ft (54.9 m) long and 46 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesFlat Rock Hill RD
CrossesINTERSTATE-95
Location3.1 MI N of US Route 1
RouteCity Street 0
Coordinates41.31736, -72.28147
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
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Last inspectionSeptember 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating90.2 US tons
Inventory rating54.1 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHL 93
Structure length180 ft (54.9 m)
Longest span87 ft (26.5 m)
Deck width46 ft (13.9 m)
Roadway width42 ft (12.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic143 (2021)
Projected traffic212 by 2041
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed98.8 mi (159 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 Flat Rock Hill RD over INTERSTATE-95 built?

It was built in 1958, making it 67 years old in 2025. It was reconstructed in 2015.

What condition is Flat Rock Hill RD over INTERSTATE-95 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 September 2021.

How much traffic does Flat Rock Hill RD over INTERSTATE-95 carry?

About 143 vehicles per day (2021 count), of which roughly 7% are trucks.

How long is Flat Rock Hill RD over INTERSTATE-95?

The structure is 180 ft (54.9 m) long with a longest span of 87 ft (26.5 m) and a deck 46 ft wide.

Who owns Flat Rock Hill RD over INTERSTATE-95?

It is owned by the State Highway Agency.