US Bridges

US 1 Post RD NB over Hunt River

FairPosted for load

Washington County, Rhode Island · 0.1 MI N of JCT Ri 402 · Structure no. 000000000000150

Built
1930
95 years old
Condition
Fair
inspected October 2023
Type
Tee Beam
Concrete
Length
33 ft
1 main span
Daily traffic
25,883
2015 count
Owner
State
State Highway Agency

About this bridge

US 1 Post RD NB over Hunt River is a concrete tee beam carrying US 1 Post RD NB over Hunt River in Washington County, Rhode Island. It was built in 1930, so it is 95 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 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 25,883 vehicles a day, roughly 1% of them trucks, projected to reach 31,060 by 2036. The structure is 33 ft (10.1 m) long and 60 ft wide.

CarriesUS 1 Post RD NB
CrossesHunt River
Location0.1 MI N of JCT Ri 402
RouteU.S. Route 1
Coordinates41.63418, -71.46783
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.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating29.7 US tons
Inventory rating22.8 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length33 ft (10.1 m)
Longest span28 ft (8.5 m)
Deck width60 ft (18.3 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25,883 (2015)
Projected traffic31,060 by 2036
Trucks1%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusEligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$2.9 million (2020 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was US 1 Post RD NB over Hunt River built?

It was built in 1930, making it 95 years old in 2025.

What condition is US 1 Post RD NB over Hunt River 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 2023.

How much traffic does US 1 Post RD NB over Hunt River carry?

About 25,883 vehicles per day (2015 count), of which roughly 1% are trucks.

How long is US 1 Post RD NB over Hunt River?

The structure is 33 ft (10.1 m) long with a longest span of 28 ft (8.5 m) and a deck 60 ft wide.

Who owns US 1 Post RD NB over Hunt River?

It is owned by the State Highway Agency.