US Bridges

Ri 24 & Ri 138 over Sakonnet River

Good

Newport County, Rhode Island · 0.1 MI S of JCT Ri 138 · Structure no. 000000000002505

Built
2012
13 years old
Condition
Good
inspected August 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
2,265 ft
7 main spans
Daily traffic
40,000
2008 count
Owner
Toll Authority
State Toll Authority

About this bridge

Ri 24 & Ri 138 over Sakonnet River is a steel continuous stringer/multi-beam or girder carrying Ri 24 & Ri 138 over Sakonnet River in Newport County, Rhode Island. It was built in 2012, so it is 13 years old, younger than the Rhode Island average of 54.5 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 40,000 vehicles a day, roughly 3% of them trucks, projected to reach 48,000 by 2036. The structure is 2,265 ft (690.4 m) long and 94 ft wide. If it were closed, the detour would be 22.4 mi (36 km).

Location

Open in Google Maps
CarriesRi 24 & Ri 138
CrossesSakonnet River
Location0.1 MI S of JCT Ri 138
RouteState Highway 24
CountyNewport County
StateRhode Island
Coordinates41.6381, -71.21335
Functional classUrban Principal Arterial - Other Freeway or Expressway

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.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry9: Superior to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating29.3 US tons
Inventory rating22.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans7 (+3 approach)
Design loadHL 93
Structure length2,265 ft (690.4 m)
Longest span400 ft (121.9 m)
Deck width94 ft (28.7 m)
Roadway width76 ft (23.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic40,000 (2008)
Projected traffic48,000 by 2036
Trucks3%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway and waterway
Detour if closed22.4 mi (36 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Toll Authority
Maintained byState Toll Authority
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost$313.7 million (2020 estimate)
NavigationNavigation control on waterway (bridge permit required)

Frequently asked questions

When was Ri 24 & Ri 138 over Sakonnet River built?

It was built in 2012, making it 13 years old in 2025.

What condition is Ri 24 & Ri 138 over Sakonnet 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 August 2024.

How much traffic does Ri 24 & Ri 138 over Sakonnet River carry?

About 40,000 vehicles per day (2008 count), of which roughly 3% are trucks.

How long is Ri 24 & Ri 138 over Sakonnet River?

The structure is 2,265 ft (690.4 m) long with a longest span of 400 ft (121.9 m) and a deck 94 ft wide.

Who owns Ri 24 & Ri 138 over Sakonnet River?

It is owned by the State Toll Authority.