US Bridges

Chestnut ST over Main Canal

FairPosted for load

Androscoggin County, Maine · 400 Ft W RTE #196 · Structure no. 5003

Built
1927
98 years old
Condition
Fair
inspected August 2023
Type
Arch - Thru
Concrete
Length
74 ft
1 main span
Daily traffic
4,110
2016 count
Owner
State
State Highway Agency

About this bridge

Chestnut ST over Main Canal is a concrete arch - thru carrying Chestnut ST over Main Canal in Androscoggin County, Maine. It was built in 1927, so it is 98 years old, older than the Maine average of 53.7 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. Its operating status is: posted for load restriction.

It carries about 4,110 vehicles a day, roughly 5% of them trucks, projected to reach 5,754 by 2036. The structure is 74 ft (22.6 m) long and 24 ft wide.

Location

Open in Google Maps
CarriesChestnut ST
CrossesMain Canal
Location400 Ft W RTE #196
RouteCity Street 0
CountyAndroscoggin County
StateMaine
Coordinates44.09382, -70.21701
Functional classUrban Local

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating19 US tons
Inventory rating14.7 US tons

Structure

Structure typeArch - Thru
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length74 ft (22.6 m)
Longest span64 ft (19.5 m)
Deck width24 ft (7.3 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deck12 ft (3.8 m)

Traffic and service

Average daily traffic4,110 (2016)
Projected traffic5,754 by 2036
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusEligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Chestnut ST over Main Canal built?

It was built in 1927, making it 98 years old in 2025.

What condition is Chestnut ST over Main 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 August 2023.

How much traffic does Chestnut ST over Main Canal carry?

About 4,110 vehicles per day (2016 count), of which roughly 5% are trucks.

How long is Chestnut ST over Main Canal?

The structure is 74 ft (22.6 m) long with a longest span of 64 ft (19.5 m) and a deck 24 ft wide.

Who owns Chestnut ST over Main Canal?

It is owned by the State Highway Agency.