US Bridges

Hummocks Point RD over Tidal Inlet

Fair

Newport County, Rhode Island · 0.5 MI S of Ri 24 · Structure no. 000000000004950

Built
1961
64 years old
Condition
Fair
inspected July 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
315 ft
9 main spans
Daily traffic
2,599
2021 count
Owner
State
State Highway Agency

About this bridge

Hummocks Point RD over Tidal Inlet is a prestressed concrete box beam or girders - multiple carrying Hummocks Point RD over Tidal Inlet in Newport County, Rhode Island. It was built in 1961, so it is 64 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 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 2,599 vehicles a day, roughly 5% of them trucks, projected to reach 2,859 by 2041. The structure is 315 ft (96 m) long and 42 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

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CarriesHummocks Point RD
CrossesTidal Inlet
Location0.5 MI S of Ri 24
CountyNewport County
StateRhode Island
Coordinates41.62991, -71.21908
Functional classUrban Collector

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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
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 geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating38.9 US tons
Inventory rating30 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckNot applicable
Main spans9
Design loadHL 93
Structure length315 ft (96 m)
Longest span35 ft (10.7 m)
Deck width42 ft (12.9 m)
Roadway width30 ft (9.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,599 (2021)
Projected traffic2,859 by 2041
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed3.7 mi (6 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$19.6 million (2020 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Hummocks Point RD over Tidal Inlet built?

It was built in 1961, making it 64 years old in 2025.

What condition is Hummocks Point RD over Tidal Inlet 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 July 2024.

How much traffic does Hummocks Point RD over Tidal Inlet carry?

About 2,599 vehicles per day (2021 count), of which roughly 5% are trucks.

How long is Hummocks Point RD over Tidal Inlet?

The structure is 315 ft (96 m) long with a longest span of 35 ft (10.7 m) and a deck 42 ft wide.

Who owns Hummocks Point RD over Tidal Inlet?

It is owned by the State Highway Agency.