US Bridges

US 1 Tower Hill RD over W.C. Oneill Bike Path

GoodPosted for load

Washington County, Rhode Island · 0.2 MI N of JCT Ri 108 · Structure no. 000000000001970

Built
1953
72 years old
Condition
Good
inspected August 2023
Type
Frame
Concrete
Length
24 ft
1 main span
Daily traffic
29,600
2021 count
Owner
State
State Highway Agency

About this bridge

US 1 Tower Hill RD over W.C. Oneill Bike Path is a concrete frame carrying US 1 Tower Hill RD over W.C. Oneill Bike Path in Washington County, Rhode Island. It was built in 1953, so it is 72 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 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. Its operating status is: posted for load restriction.

It carries about 29,600 vehicles a day, projected to reach 32,560 by 2041. The structure is 24 ft (7.2 m) long and 94 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesUS 1 Tower Hill RD
CrossesW.C. Oneill Bike Path
Location0.2 MI N of JCT Ri 108
RouteU.S. Route 1
Coordinates41.43799, -71.48167
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.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourBridge not over waterway
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating24.3 US tons
Inventory rating18.5 US tons

Structure

Structure typeFrame
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length24 ft (7.2 m)
Longest span20 ft (6.1 m)
Deck width94 ft (28.7 m)
Roadway width89 ft (27.1 m)
Vertical clearance over deck25 ft (7.6 m)

Traffic and service

Average daily traffic29,600 (2021)
Projected traffic32,560 by 2041
Trucks0%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesPedestrian / bicycle
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

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$3.3 million (2020 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was US 1 Tower Hill RD over W.C. Oneill Bike Path built?

It was built in 1953, making it 72 years old in 2025.

What condition is US 1 Tower Hill RD over W.C. Oneill Bike Path 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 2023.

How much traffic does US 1 Tower Hill RD over W.C. Oneill Bike Path carry?

About 29,600 vehicles per day (2021 count).

How long is US 1 Tower Hill RD over W.C. Oneill Bike Path?

The structure is 24 ft (7.2 m) long with a longest span of 20 ft (6.1 m) and a deck 94 ft wide.

Who owns US 1 Tower Hill RD over W.C. Oneill Bike Path?

It is owned by the State Highway Agency.