US Bridges

US 1A Bstn Nck RD over Ri 138

Fair

Washington County, Rhode Island · 2.1 MI E of JCT US 1 · Structure no. 000000000008990

Built
1991
34 years old
Condition
Fair
inspected April 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
193 ft
2 main spans
Daily traffic
6,746
2021 count
Owner
State
State Highway Agency

About this bridge

US 1A Bstn Nck RD over Ri 138 is a steel continuous stringer/multi-beam or girder carrying US 1A Bstn Nck RD over Ri 138 in Washington County, Rhode Island. It was built in 1991, so it is 34 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 6,746 vehicles a day, roughly 6% of them trucks, projected to reach 7,421 by 2041. The structure is 193 ft (58.7 m) long and 72 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesUS 1A Bstn Nck RD
CrossesRi 138
Location2.1 MI E of JCT US 1
RouteU.S. Route 1
Coordinates41.5281, -71.42632
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2024
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 alignment8: Equal to present desirable criteria
Operating rating40.3 US tons
Inventory rating31.1 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length193 ft (58.7 m)
Longest span94 ft (28.7 m)
Deck width72 ft (21.9 m)
Roadway width56 ft (17.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,746 (2021)
Projected traffic7,421 by 2041
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed5 mi (8 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was US 1A Bstn Nck RD over Ri 138 built?

It was built in 1991, making it 34 years old in 2025.

What condition is US 1A Bstn Nck RD over Ri 138 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 April 2024.

How much traffic does US 1A Bstn Nck RD over Ri 138 carry?

About 6,746 vehicles per day (2021 count), of which roughly 6% are trucks.

How long is US 1A Bstn Nck RD over Ri 138?

The structure is 193 ft (58.7 m) long with a longest span of 94 ft (28.7 m) and a deck 72 ft wide.

Who owns US 1A Bstn Nck RD over Ri 138?

It is owned by the State Highway Agency.