US Bridges

US 1 Post RD SB over Salt Pond RD

Fair

Washington County, Rhode Island · 0.6 MI S of JCT Ri 108 · Structure no. 000000000004842

Built
1963
62 years old
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
142 ft
1 main span
Daily traffic
11,243
2008 count
Owner
State
State Highway Agency

About this bridge

US 1 Post RD SB over Salt Pond RD is a prestressed concrete stringer/multi-beam or girder carrying US 1 Post RD SB over Salt Pond RD in Washington County, Rhode Island. It was built in 1963, so it is 62 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.

It carries about 11,243 vehicles a day, roughly 10% of them trucks, projected to reach 13,492 by 2036. The structure is 142 ft (43.3 m) long and 42 ft wide.

CarriesUS 1 Post RD SB
CrossesSalt Pond RD
Location0.6 MI S of JCT Ri 108
RouteU.S. Route 1
Coordinates41.4297, -71.4936
Functional classUrban Principal Arterial - Other Freeway or Expressway

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating56.1 US tons
Inventory rating42.5 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1 (+2 approach)
Design loadHS 20
Structure length142 ft (43.3 m)
Longest span63 ft (19.3 m)
Deck width42 ft (12.8 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,243 (2008)
Projected traffic13,492 by 2036
Trucks10%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$8.8 million (2020 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was US 1 Post RD SB over Salt Pond RD built?

It was built in 1963, making it 62 years old in 2025.

What condition is US 1 Post RD SB over Salt Pond RD 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 October 2024.

How much traffic does US 1 Post RD SB over Salt Pond RD carry?

About 11,243 vehicles per day (2008 count), of which roughly 10% are trucks.

How long is US 1 Post RD SB over Salt Pond RD?

The structure is 142 ft (43.3 m) long with a longest span of 63 ft (19.3 m) and a deck 42 ft wide.

Who owns US 1 Post RD SB over Salt Pond RD?

It is owned by the State Highway Agency.