US Bridges

US 1 NB Post RD over Cross Mills Stream

Fair

Washington County, Rhode Island · .01 MI E of Moonstone Bh · Structure no. 000000000012480

Built
1963
62 years old
Condition
Fair
inspected April 2024
Type
Culvert
Steel
Length
27 ft
2 main spans
Daily traffic
18,505
2015 count
Owner
State
State Highway Agency

About this bridge

US 1 NB Post RD over Cross Mills Stream is a steel culvert carrying US 1 NB Post RD over Cross Mills Stream 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 18,505 vehicles a day, roughly 2% of them trucks, projected to reach 22,206 by 2036. The structure is 27 ft (8.2 m) long.

Location

Open in Google Maps
CarriesUS 1 NB Post RD
CrossesCross Mills Stream
Location.01 MI E of Moonstone Bh
RouteU.S. Route 1
CountyWashington County
StateRhode Island
Coordinates41.38444, -71.64048
Functional classRural Principal Arterial - Other

Condition and inspection

Fair

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

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment7: Better than present minimum criteria
Operating rating107.1 US tons
Inventory rating107.1 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans2
Design loadUnknown
Structure length27 ft (8.2 m)
Longest span8 ft (2.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic18,505 (2015)
Projected traffic22,206 by 2036
Trucks2%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was US 1 NB Post RD over Cross Mills Stream built?

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

What condition is US 1 NB Post RD over Cross Mills Stream 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 1 NB Post RD over Cross Mills Stream carry?

About 18,505 vehicles per day (2015 count), of which roughly 2% are trucks.

How long is US 1 NB Post RD over Cross Mills Stream?

The structure is 27 ft (8.2 m) long with a longest span of 8 ft (2.4 m).

Who owns US 1 NB Post RD over Cross Mills Stream?

It is owned by the State Highway Agency.