US Bridges

Ri 91 Church ST over Mill Canal

Fair

Washington County, Rhode Island · 3.0 MI W of JCT Ri 112 · Structure no. 000000000002600

Built
1930
95 years old
Condition
Fair
inspected October 2023
Type
Slab
Concrete Continuous
Length
36 ft
2 main spans
Daily traffic
4,040
2014 count
Owner
State
State Highway Agency

About this bridge

Ri 91 Church ST over Mill Canal is a concrete continuous slab carrying Ri 91 Church ST over Mill Canal 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.

It carries about 4,040 vehicles a day, roughly 10% of them trucks, projected to reach 4,848 by 2036. The structure is 36 ft (11.1 m) long and 58 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesRi 91 Church ST
CrossesMill Canal
Location3.0 MI W of JCT Ri 112
RouteState Highway 91
CountyWashington County
StateRhode Island
Coordinates41.43778, -71.72103
Functional classRural Major Collector

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 statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: 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 alignment8: Equal to present desirable criteria
Operating rating53.9 US tons
Inventory rating41.8 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadH 20
Structure length36 ft (11.1 m)
Longest span16 ft (4.9 m)
Deck width58 ft (17.7 m)
Roadway width40 ft (12.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,040 (2014)
Projected traffic4,848 by 2036
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

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$3.1 million (2020 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Ri 91 Church ST over Mill Canal built?

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

What condition is Ri 91 Church ST over Mill Canal 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 Ri 91 Church ST over Mill Canal carry?

About 4,040 vehicles per day (2014 count), of which roughly 10% are trucks.

How long is Ri 91 Church ST over Mill Canal?

The structure is 36 ft (11.1 m) long with a longest span of 16 ft (4.9 m) and a deck 58 ft wide.

Who owns Ri 91 Church ST over Mill Canal?

It is owned by the State Highway Agency.