US Bridges

Goat Isl Causeway over Newport Harbor

PoorPosted for load

Newport County, Rhode Island · 0.3 MI W of JCT Ri 138A · Structure no. 000000000006970

Built
1965
60 years old
Condition
Poor
inspected December 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
1,067 ft
24 main spans
Daily traffic
3,704
2021 count
Owner
City
City or Municipal Highway Agency

About this bridge

Goat Isl Causeway over Newport Harbor is a prestressed concrete stringer/multi-beam or girder carrying Goat Isl Causeway over Newport Harbor in Newport County, Rhode Island. It was built in 1965, so it is 60 years old, older than the Rhode Island average of 54.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 3,704 vehicles a day, roughly 2% of them trucks, projected to reach 4,074 by 2041. The structure is 1,067 ft (325.3 m) long and 38 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesGoat Isl Causeway
CrossesNewport Harbor
Location0.3 MI W of JCT Ri 138A
RouteCity Street 0
Coordinates41.49128, -71.32504
Functional classUrban Collector

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionDecember 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating33.2 US tons
Inventory rating21.4 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans24
Design loadHS 20
Structure length1,067 ft (325.3 m)
Longest span43 ft (13.2 m)
Deck width38 ft (11.7 m)
Roadway width25 ft (7.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,704 (2021)
Projected traffic4,074 by 2041
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed123.7 mi (199 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$60.5 million (2020 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Goat Isl Causeway over Newport Harbor built?

It was built in 1965, making it 60 years old in 2025.

What condition is Goat Isl Causeway over Newport Harbor in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in December 2024.

How much traffic does Goat Isl Causeway over Newport Harbor carry?

About 3,704 vehicles per day (2021 count), of which roughly 2% are trucks.

How long is Goat Isl Causeway over Newport Harbor?

The structure is 1,067 ft (325.3 m) long with a longest span of 43 ft (13.2 m) and a deck 38 ft wide.

Who owns Goat Isl Causeway over Newport Harbor?

It is owned by the City or Municipal Highway Agency.