US Bridges

Portland RD over B & M RR

Fair

York County, Maine · 0.3 MI S of Biddeford · Structure no. 2085

Built
1937
88 years old, rebuilt 1977
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
382 ft
6 main spans
Daily traffic
14,512
2016 count
Owner
State
State Highway Agency

About this bridge

Portland RD over B & M RR is a steel continuous stringer/multi-beam or girder carrying Portland RD over B & M RR in York County, Maine. It was built in 1937 and reconstructed in 1977, so it is 88 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 14,512 vehicles a day, roughly 5% of them trucks, projected to reach 20,317 by 2036. The structure is 382 ft (116.5 m) long and 61 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesPortland RD
CrossesB & M RR
Location0.3 MI S of Biddeford
RouteState Highway 1
CountyYork County
StateMaine
Coordinates43.45611, -70.49403
Functional classRural Minor Arterial

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating57.1 US tons
Inventory rating42.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans6
Design loadHS 20
Structure length382 ft (116.5 m)
Longest span73 ft (22.3 m)
Deck width61 ft (18.5 m)
Roadway width52 ft (15.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic14,512 (2016)
Projected traffic20,317 by 2036
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed3.7 mi (6 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Portland RD over B & M RR built?

It was built in 1937, making it 88 years old in 2025. It was reconstructed in 1977.

What condition is Portland RD over B & M RR 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 Portland RD over B & M RR carry?

About 14,512 vehicles per day (2016 count), of which roughly 5% are trucks.

How long is Portland RD over B & M RR?

The structure is 382 ft (116.5 m) long with a longest span of 73 ft (22.3 m) and a deck 61 ft wide.

Who owns Portland RD over B & M RR?

It is owned by the State Highway Agency.