US Bridges

US 1 Post RD over Ri 403

Fair

Washington County, Rhode Island · Jct. RI403 · Structure no. 000000000010020

Built
2003
22 years old
Condition
Fair
inspected June 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
137 ft
1 main span
Daily traffic
22,900
2021 count
Owner
State
State Highway Agency

About this bridge

US 1 Post RD over Ri 403 is a prestressed concrete stringer/multi-beam or girder carrying US 1 Post RD over Ri 403 in Washington County, Rhode Island. It was built in 2003, so it is 22 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 6 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 22,900 vehicles a day, roughly 3% of them trucks, projected to reach 25,190 by 2041. The structure is 137 ft (41.8 m) long and 84 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

Location

Open in Google Maps
CarriesUS 1 Post RD
CrossesRi 403
LocationJct. RI403
RouteInterstate 1
CountyWashington County
StateRhode Island
Coordinates41.60467, -71.45484
Functional classUrban Other Principal 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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating107.1 US tons
Inventory rating78.6 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length137 ft (41.8 m)
Longest span132 ft (40.2 m)
Deck width84 ft (25.6 m)
Roadway width72 ft (21.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic22,900 (2021)
Projected traffic25,190 by 2041
Trucks3%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed2.5 mi (4 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 proposedNone recorded
Estimated improvement cost$7.3 million (2020 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was US 1 Post RD over Ri 403 built?

It was built in 2003, making it 22 years old in 2025.

What condition is US 1 Post RD over Ri 403 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 June 2023.

How much traffic does US 1 Post RD over Ri 403 carry?

About 22,900 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is US 1 Post RD over Ri 403?

The structure is 137 ft (41.8 m) long with a longest span of 132 ft (40.2 m) and a deck 84 ft wide.

Who owns US 1 Post RD over Ri 403?

It is owned by the State Highway Agency.