US Bridges

Main ST over NE Channel Saco River

Fair

York County, Maine · 0.2 MI N of Biddeford · Structure no. 2137

Built
1943
82 years old, rebuilt 1996
Condition
Fair
inspected July 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
147 ft
1 main span
Daily traffic
20,390
2016 count
Owner
State
State Highway Agency

About this bridge

Main ST over NE Channel Saco River is a steel stringer/multi-beam or girder carrying Main ST over NE Channel Saco River in York County, Maine. It was built in 1943 and reconstructed in 1996, so it is 82 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.

It carries about 20,390 vehicles a day, roughly 5% of them trucks, projected to reach 28,546 by 2036. The structure is 147 ft (44.7 m) long and 57 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesMain ST
CrossesNE Channel Saco River
Location0.2 MI N of Biddeford
RouteCounty Highway 9
StateMaine
Coordinates43.49622, -70.44758
Functional classUrban 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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating36.4 US tons
Inventory rating28.2 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1 (+1 approach)
Design loadHS 25 or greater
Structure length147 ft (44.7 m)
Longest span90 ft (27.4 m)
Deck width57 ft (17.3 m)
Roadway width42 ft (12.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20,390 (2016)
Projected traffic28,546 by 2036
Trucks5%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway and railroad
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Main ST over NE Channel Saco River built?

It was built in 1943, making it 82 years old in 2025. It was reconstructed in 1996.

What condition is Main ST over NE Channel Saco River 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 July 2023.

How much traffic does Main ST over NE Channel Saco River carry?

About 20,390 vehicles per day (2016 count), of which roughly 5% are trucks.

How long is Main ST over NE Channel Saco River?

The structure is 147 ft (44.7 m) long with a longest span of 90 ft (27.4 m) and a deck 57 ft wide.

Who owns Main ST over NE Channel Saco River?

It is owned by the State Highway Agency.