US Bridges

Martin ST over Blackstone River

Good

Providence County, Rhode Island · 0.3 MI W of JCT Ri 122 · Structure no. 000000000007690

Built
1810
215 years old, rebuilt 2007
Condition
Good
inspected August 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
156 ft
2 main spans
Daily traffic
2,958
2021 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Martin ST over Blackstone River is a steel stringer/multi-beam or girder carrying Martin ST over Blackstone River in Providence County, Rhode Island. It was built in 1810 and reconstructed in 2007, so it is 215 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 good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 2,958 vehicles a day, roughly 6% of them trucks, projected to reach 3,254 by 2041. The structure is 156 ft (47.4 m) long and 41 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

Location

Open in Google Maps
CarriesMartin ST
CrossesBlackstone River
Location0.3 MI W of JCT Ri 122
RouteCity Street 0
CountyProvidence County
StateRhode Island
Coordinates41.927, -71.4309
Functional classUrban Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating78.6 US tons
Inventory rating60.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans2
Design loadHS 25 or greater
Structure length156 ft (47.4 m)
Longest span77 ft (23.5 m)
Deck width41 ft (12.6 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,958 (2021)
Projected traffic3,254 by 2041
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed2.5 mi (4 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerTown or Township Highway Agency
Maintained byTown or Township 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$11 million (2020 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Martin ST over Blackstone River built?

It was built in 1810, making it 215 years old in 2025. It was reconstructed in 2007.

What condition is Martin ST over Blackstone River in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in August 2023.

How much traffic does Martin ST over Blackstone River carry?

About 2,958 vehicles per day (2021 count), of which roughly 6% are trucks.

How long is Martin ST over Blackstone River?

The structure is 156 ft (47.4 m) long with a longest span of 77 ft (23.5 m) and a deck 41 ft wide.

Who owns Martin ST over Blackstone River?

It is owned by the Town or Township Highway Agency.