US Bridges

Ri 37 EB & WB over US 1 Post RD

Poor

Kent County, Rhode Island · 1.0 MI E of JCT I-95 · Structure no. 000000000006380

Built
1965
60 years old, rebuilt 1989
Condition
Poor
inspected July 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
182 ft
2 main spans
Daily traffic
46,000
1992 count
Owner
State
State Highway Agency

About this bridge

Ri 37 EB & WB over US 1 Post RD is a prestressed concrete stringer/multi-beam or girder carrying Ri 37 EB & WB over US 1 Post RD in Kent County, Rhode Island. It was built in 1965 and reconstructed in 1989, so it is 60 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 poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 46,000 vehicles a day, roughly 10% of them trucks, projected to reach 55,200 by 2036. The structure is 182 ft (55.5 m) long and 94 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesRi 37 EB & WB
CrossesUS 1 Post RD
Location1.0 MI E of JCT I-95
RouteState Highway 37
Coordinates41.74188, -71.43129
Functional classUrban Principal Arterial - Other Freeway or Expressway

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

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.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no 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 alignment8: Equal to present desirable criteria
Operating rating46.8 US tons
Inventory rating36 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2 (+2 approach)
Design loadHS 20
Structure length182 ft (55.5 m)
Longest span59 ft (18 m)
Deck width94 ft (28.7 m)
Roadway width76 ft (23.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic46,000 (1992)
Projected traffic55,200 by 2036
Trucks10%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed0.6 mi (1 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$25.3 million (2020 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Ri 37 EB & WB over US 1 Post RD built?

It was built in 1965, making it 60 years old in 2025. It was reconstructed in 1989.

What condition is Ri 37 EB & WB over US 1 Post RD in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in July 2023.

How much traffic does Ri 37 EB & WB over US 1 Post RD carry?

About 46,000 vehicles per day (1992 count), of which roughly 10% are trucks.

How long is Ri 37 EB & WB over US 1 Post RD?

The structure is 182 ft (55.5 m) long with a longest span of 59 ft (18 m) and a deck 94 ft wide.

Who owns Ri 37 EB & WB over US 1 Post RD?

It is owned by the State Highway Agency.