US Bridges

US 1 Post RD over AMTRAK

Good

Washington County, Rhode Island · 0.7 MI N of JCT Ri 102 · Structure no. 000000000000070

Built
2004
21 years old
Condition
Good
inspected August 2023
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete
Length
172 ft
3 main spans
Daily traffic
19,200
2021 count
Owner
State
State Highway Agency

About this bridge

US 1 Post RD over AMTRAK is a prestressed concrete box beam or girders - single or spread carrying US 1 Post RD over AMTRAK in Washington County, Rhode Island. It was built in 2004, so it is 21 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 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.

It carries about 19,200 vehicles a day, roughly 7% of them trucks, projected to reach 21,120 by 2041. The structure is 172 ft (52.4 m) long and 76 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesUS 1 Post RD
CrossesAMTRAK
Location0.7 MI N of JCT Ri 102
RouteU.S. Route 1
CountyWashington County
StateRhode Island
Coordinates41.63162, -71.46564
Functional classUrban Other Principal Arterial

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 12 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment7: Better than present minimum criteria
Operating rating42.5 US tons
Inventory rating8.6 US tons

Structure

Structure typeBox Beam or Girders - Single or Spread
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 25 or greater
Structure length172 ft (52.4 m)
Longest span76 ft (23.2 m)
Deck width76 ft (23.2 m)
Roadway width54 ft (16.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic19,200 (2021)
Projected traffic21,120 by 2041
Trucks7%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesRailroad
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$19.3 million (2020 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was US 1 Post RD over AMTRAK built?

It was built in 2004, making it 21 years old in 2025.

What condition is US 1 Post RD over AMTRAK 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 Post RD over AMTRAK carry?

About 19,200 vehicles per day (2021 count), of which roughly 7% are trucks.

How long is US 1 Post RD over AMTRAK?

The structure is 172 ft (52.4 m) long with a longest span of 76 ft (23.2 m) and a deck 76 ft wide.

Who owns US 1 Post RD over AMTRAK?

It is owned by the State Highway Agency.