US Bridges

Whisper Pine RD over Eisenhower Lake

FairPosted for load

Kent County, Rhode Island · Uri Alton Jones Campus · Structure no. 000000000001180

Built
1931
94 years old, rebuilt 1990
Condition
Fair
inspected March 2024
Type
Slab
Prestressed Concrete
Length
32 ft
1 main span
Daily traffic
9
2021 count
Owner
State
State Highway Agency

About this bridge

Whisper Pine RD over Eisenhower Lake is a prestressed concrete slab carrying Whisper Pine RD over Eisenhower Lake in Kent County, Rhode Island. It was built in 1931 and reconstructed in 1990, so it is 94 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. Its operating status is: posted for load restriction.

It carries about 9 vehicles a day, roughly 67% of them trucks, projected to reach 10 by 2041. The structure is 32 ft (9.9 m) long and 14 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

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CarriesWhisper Pine RD
CrossesEisenhower Lake
LocationUri Alton Jones Campus
RouteState Lands Road 0
CountyKent County
StateRhode Island
Coordinates41.61687, -71.71949
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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusPosted for load 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 geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating27.1 US tons
Inventory rating18.5 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length32 ft (9.9 m)
Longest span31 ft (9.4 m)
Deck width14 ft (4.3 m)
Roadway width12 ft (3.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9 (2021)
Projected traffic10 by 2041
Trucks67%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed0.6 mi (1 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$676,000 (2020 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Whisper Pine RD over Eisenhower Lake built?

It was built in 1931, making it 94 years old in 2025. It was reconstructed in 1990.

What condition is Whisper Pine RD over Eisenhower Lake 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 March 2024.

How much traffic does Whisper Pine RD over Eisenhower Lake carry?

About 9 vehicles per day (2021 count), of which roughly 67% are trucks.

How long is Whisper Pine RD over Eisenhower Lake?

The structure is 32 ft (9.9 m) long with a longest span of 31 ft (9.4 m) and a deck 14 ft wide.

Who owns Whisper Pine RD over Eisenhower Lake?

It is owned by the State Highway Agency.