US Bridges

Murphy Road over Susquetonscut Brook

Fair

New London County, Connecticut · 900 North of Route 87 · Structure no. 04665

Built
2001
24 years old
Condition
Fair
inspected June 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
52 ft
1 main span
Daily traffic
1,550
2021 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Murphy Road over Susquetonscut Brook is a prestressed concrete box beam or girders - multiple carrying Murphy Road over Susquetonscut Brook in New London County, Connecticut. It was built in 2001, so it is 24 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 1,550 vehicles a day, roughly 7% of them trucks, projected to reach 2,303 by 2041. The structure is 52 ft (15.9 m) long and 32 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesMurphy Road
CrossesSusquetonscut Brook
Location900 North of Route 87
RouteCity Street 0
CountyNew London County
StateConnecticut
Coordinates41.58046, -72.13892
Functional classRural Local

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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.2 US tons
Inventory rating37.1 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHS 20
Structure length52 ft (15.9 m)
Longest span47 ft (14.3 m)
Deck width32 ft (9.9 m)
Roadway width28 ft (8.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,550 (2021)
Projected traffic2,303 by 2041
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 Murphy Road over Susquetonscut Brook built?

It was built in 2001, making it 24 years old in 2025.

What condition is Murphy Road over Susquetonscut Brook 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 Murphy Road over Susquetonscut Brook carry?

About 1,550 vehicles per day (2021 count), of which roughly 7% are trucks.

How long is Murphy Road over Susquetonscut Brook?

The structure is 52 ft (15.9 m) long with a longest span of 47 ft (14.3 m) and a deck 32 ft wide.

Who owns Murphy Road over Susquetonscut Brook?

It is owned by the Town or Township Highway Agency.