US Bridges

Ri 403 over Ri 4 Ramps 4I & 4G

Fair

Kent County, Rhode Island · JCT Ri 4 · Structure no. 000000000010120

Built
2006
19 years old
Condition
Fair
inspected June 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
282 ft
2 main spans
Daily traffic
29,700
2008 count
Owner
State
State Highway Agency

About this bridge

Ri 403 over Ri 4 Ramps 4I & 4G is a steel stringer/multi-beam or girder carrying Ri 403 over Ri 4 Ramps 4I & 4G in Kent County, Rhode Island. It was built in 2006, so it is 19 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 29,700 vehicles a day, roughly 10% of them trucks, projected to reach 35,640 by 2036. The structure is 282 ft (86 m) long and 70 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesRi 403
CrossesRi 4 Ramps 4I & 4G
LocationJCT Ri 4
RouteState Highway 403
CountyKent County
StateRhode Island
Coordinates41.62931, -71.487
Functional classUrban Principal Arterial - Other Freeway or Expressway

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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
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 rating49.3 US tons
Inventory rating38.3 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans2
Design loadHS 25 or greater
Structure length282 ft (86 m)
Longest span152 ft (46.3 m)
Deck width70 ft (21.2 m)
Roadway width64 ft (19.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic29,700 (2008)
Projected traffic35,640 by 2036
Trucks10%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
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 proposedNone recorded
Estimated improvement cost$9.5 million (2020 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Ri 403 over Ri 4 Ramps 4I & 4G built?

It was built in 2006, making it 19 years old in 2025.

What condition is Ri 403 over Ri 4 Ramps 4I & 4G 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 Ri 403 over Ri 4 Ramps 4I & 4G carry?

About 29,700 vehicles per day (2008 count), of which roughly 10% are trucks.

How long is Ri 403 over Ri 4 Ramps 4I & 4G?

The structure is 282 ft (86 m) long with a longest span of 152 ft (46.3 m) and a deck 70 ft wide.

Who owns Ri 403 over Ri 4 Ramps 4I & 4G?

It is owned by the State Highway Agency.