US Bridges

Acadia HWY over Narramissic River

Fair

Hancock County, Maine · 0.4 MI E JCT RTE 175 · Structure no. 5892

Built
1961
64 years old, rebuilt 2016
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
214 ft
3 main spans
Daily traffic
8,056
2016 count
Owner
State
State Highway Agency

About this bridge

Acadia HWY over Narramissic River is a steel continuous stringer/multi-beam or girder carrying Acadia HWY over Narramissic River in Hancock County, Maine. It was built in 1961 and reconstructed in 2016, 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 6 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 8,056 vehicles a day, roughly 5% of them trucks, projected to reach 11,278 by 2036. The structure is 214 ft (65.2 m) long and 35 ft wide. If it were closed, the detour would be 78.3 mi (126 km).

CarriesAcadia HWY
CrossesNarramissic River
Location0.4 MI E JCT RTE 175
RouteState Highway 1
StateMaine
Coordinates44.57568, -68.74418
Functional classRural Principal Arterial - Other

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
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 rating63.9 US tons
Inventory rating49.3 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length214 ft (65.2 m)
Longest span80 ft (24.4 m)
Deck width35 ft (10.7 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,056 (2016)
Projected traffic11,278 by 2036
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed78.3 mi (126 km)
TollOn a free road
National Highway SystemYes

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 Acadia HWY over Narramissic River built?

It was built in 1961, making it 64 years old in 2025. It was reconstructed in 2016.

What condition is Acadia HWY over Narramissic 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 2024.

How much traffic does Acadia HWY over Narramissic River carry?

About 8,056 vehicles per day (2016 count), of which roughly 5% are trucks.

How long is Acadia HWY over Narramissic River?

The structure is 214 ft (65.2 m) long with a longest span of 80 ft (24.4 m) and a deck 35 ft wide.

Who owns Acadia HWY over Narramissic River?

It is owned by the State Highway Agency.