US Bridges

Route 1 over Pleasant River

Fair

Washington County, Maine · .7 MI E Townline · Structure no. 5946

Built
1961
64 years old
Condition
Fair
inspected November 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
136 ft
2 main spans
Daily traffic
4,408
2016 count
Owner
State
State Highway Agency

About this bridge

Route 1 over Pleasant River is a steel stringer/multi-beam or girder carrying Route 1 over Pleasant River in Washington County, Maine. It was built in 1961, so it is 64 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 4,408 vehicles a day, roughly 5% of them trucks, projected to reach 6,171 by 2036. The structure is 136 ft (41.4 m) long and 35 ft wide. If it were closed, the detour would be 100 mi (161 km).

Location

Open in Google Maps
CarriesRoute 1
CrossesPleasant River
Location.7 MI E Townline
RouteState Highway 1
CountyWashington County
StateMaine
Coordinates44.65532, -67.73435
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.
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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
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 alignment8: Equal to present desirable criteria
Operating rating71.1 US tons
Inventory rating55 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans2
Design loadH 20
Structure length136 ft (41.4 m)
Longest span65 ft (19.8 m)
Deck width35 ft (10.7 m)
Roadway width33 ft (10 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,408 (2016)
Projected traffic6,171 by 2036
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed100 mi (161 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Route 1 over Pleasant River built?

It was built in 1961, making it 64 years old in 2025.

What condition is Route 1 over Pleasant 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 November 2024.

How much traffic does Route 1 over Pleasant River carry?

About 4,408 vehicles per day (2016 count), of which roughly 5% are trucks.

How long is Route 1 over Pleasant River?

The structure is 136 ft (41.4 m) long with a longest span of 65 ft (19.8 m) and a deck 35 ft wide.

Who owns Route 1 over Pleasant River?

It is owned by the State Highway Agency.