US Bridges

Ri 99 NB & SB over Sayles Hill RD

Fair

Providence County, Rhode Island · 1.2 MI N of JCT Ri 146 · Structure no. 000000000009860

Built
1991
34 years old
Condition
Fair
inspected April 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
97 ft
1 main span
Daily traffic
35,135
2019 count
Owner
State
State Highway Agency

About this bridge

Ri 99 NB & SB over Sayles Hill RD is a steel stringer/multi-beam or girder carrying Ri 99 NB & SB over Sayles Hill RD in Providence 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 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 35,135 vehicles a day, roughly 2% of them trucks, projected to reach 30,215 by 2036. The structure is 97 ft (29.6 m) long and 86 ft wide.

Location

Open in Google Maps
CarriesRi 99 NB & SB
CrossesSayles Hill RD
Location1.2 MI N of JCT Ri 146
RouteState Highway 99
CountyProvidence County
StateRhode Island
Coordinates41.96448, -71.48446
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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating74.6 US tons
Inventory rating57.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length97 ft (29.6 m)
Longest span92 ft (28 m)
Deck width86 ft (26.1 m)
Roadway width79 ft (24 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic35,135 (2019)
Projected traffic30,215 by 2036
Trucks2%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
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$2.5 million (2020 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Ri 99 NB & SB over Sayles Hill RD built?

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

What condition is Ri 99 NB & SB over Sayles Hill RD 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 2023.

How much traffic does Ri 99 NB & SB over Sayles Hill RD carry?

About 35,135 vehicles per day (2019 count), of which roughly 2% are trucks.

How long is Ri 99 NB & SB over Sayles Hill RD?

The structure is 97 ft (29.6 m) long with a longest span of 92 ft (28 m) and a deck 86 ft wide.

Who owns Ri 99 NB & SB over Sayles Hill RD?

It is owned by the State Highway Agency.