US Bridges

Washington ST over Lubec Narrows

Poor

Washington County, Maine · #89 @ Lubec Narrows · Structure no. 5978

Built
1962
63 years old
Condition
Poor
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
879 ft
6 main spans
Daily traffic
992
2016 count
Owner
State
State Highway Agency

About this bridge

Washington ST over Lubec Narrows is a steel continuous stringer/multi-beam or girder carrying Washington ST over Lubec Narrows in Washington County, Maine. It was built in 1962, so it is 63 years old, older than the Maine average of 53.7 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 992 vehicles a day, roughly 5% of them trucks, projected to reach 1,587 by 2036. The structure is 879 ft (267.9 m) long and 28 ft wide. If it were closed, the detour would be 100 mi (161 km).

CarriesWashington ST
CrossesLubec Narrows
Location#89 @ Lubec Narrows
RouteState Highway 189
StateMaine
Coordinates44.85944, -66.98005
Functional classRural Major Collector

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 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 adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating30.8 US tons
Inventory rating23.6 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans6 (+2 approach)
Design loadH 20
Structure length879 ft (267.9 m)
Longest span125 ft (38.1 m)
Deck width28 ft (8.4 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic992 (2016)
Projected traffic1,587 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—
NavigationNavigation control on waterway (bridge permit required)

Frequently asked questions

When was Washington ST over Lubec Narrows built?

It was built in 1962, making it 63 years old in 2025.

What condition is Washington ST over Lubec Narrows in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in October 2024.

How much traffic does Washington ST over Lubec Narrows carry?

About 992 vehicles per day (2016 count), of which roughly 5% are trucks.

How long is Washington ST over Lubec Narrows?

The structure is 879 ft (267.9 m) long with a longest span of 125 ft (38.1 m) and a deck 28 ft wide.

Who owns Washington ST over Lubec Narrows?

It is owned by the State Highway Agency.