US Bridges

Old Tower Hill RD over US 1

Fair

Washington County, Rhode Island · JCT Narragansett Av East · Structure no. 000000000003450

Built
1991
34 years old
Condition
Fair
inspected September 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
99 ft
2 main spans
Daily traffic
6,079
2015 count
Owner
State
State Highway Agency

About this bridge

Old Tower Hill RD over US 1 is a prestressed concrete box beam or girders - multiple carrying Old Tower Hill RD over US 1 in Washington County, Rhode Island. It was built in 1991, so it is 34 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 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 6,079 vehicles a day, roughly 10% of them trucks, projected to reach 7,295 by 2036. The structure is 99 ft (30.2 m) long and 56 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesOld Tower Hill RD
CrossesUS 1
LocationJCT Narragansett Av East
RouteCity Street 0
CountyWashington County
StateRhode Island
Coordinates41.44226, -71.47938
Functional classUrban Minor Arterial

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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionSeptember 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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment7: Better than present minimum criteria
Operating rating72.1 US tons
Inventory rating55.7 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckOther
Main spans2
Design loadHS 20
Structure length99 ft (30.2 m)
Longest span46 ft (14.1 m)
Deck width56 ft (17.1 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,079 (2015)
Projected traffic7,295 by 2036
Trucks10%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed1.2 mi (2 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$8.2 million (2020 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Old Tower Hill RD over US 1 built?

It was built in 1991, making it 34 years old in 2025.

What condition is Old Tower Hill RD over US 1 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 September 2024.

How much traffic does Old Tower Hill RD over US 1 carry?

About 6,079 vehicles per day (2015 count), of which roughly 10% are trucks.

How long is Old Tower Hill RD over US 1?

The structure is 99 ft (30.2 m) long with a longest span of 46 ft (14.1 m) and a deck 56 ft wide.

Who owns Old Tower Hill RD over US 1?

It is owned by the State Highway Agency.