US Bridges

Ri 24 SB over Boyds Lane

Fair

Newport County, Rhode Island · 2.0 MI N of JCT Ri 114 · Structure no. 000000000006422

Built
1964
61 years old, rebuilt 1989
Condition
Fair
inspected November 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
146 ft
3 main spans
Daily traffic
19,516
2007 count
Owner
State
State Highway Agency

About this bridge

Ri 24 SB over Boyds Lane is a steel continuous stringer/multi-beam or girder carrying Ri 24 SB over Boyds Lane in Newport County, Rhode Island. It was built in 1964 and reconstructed in 1989, so it is 61 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 fair condition with a lowest component rating of 5 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 19,516 vehicles a day, roughly 10% of them trucks, projected to reach 23,420 by 2036. The structure is 146 ft (44.5 m) long and 44 ft wide.

CarriesRi 24 SB
CrossesBoyds Lane
Location2.0 MI N of JCT Ri 114
RouteState Highway 24
Coordinates41.62856, -71.24412
Functional classUrban Principal Arterial - Other Freeway or Expressway

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36.8 US tons
Inventory rating28.5 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length146 ft (44.5 m)
Longest span67 ft (20.4 m)
Deck width44 ft (13.4 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic19,516 (2007)
Projected traffic23,420 by 2036
Trucks10%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkSTRAHNET connector

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$9.5 million (2020 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Ri 24 SB over Boyds Lane built?

It was built in 1964, making it 61 years old in 2025. It was reconstructed in 1989.

What condition is Ri 24 SB over Boyds Lane 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 November 2024.

How much traffic does Ri 24 SB over Boyds Lane carry?

About 19,516 vehicles per day (2007 count), of which roughly 10% are trucks.

How long is Ri 24 SB over Boyds Lane?

The structure is 146 ft (44.5 m) long with a longest span of 67 ft (20.4 m) and a deck 44 ft wide.

Who owns Ri 24 SB over Boyds Lane?

It is owned by the State Highway Agency.