US Bridges

North ST over Narraguagus River

Fair

Washington County, Maine · 1 MI E JCT 182 · Structure no. 5155

Built
1924
101 years old, rebuilt 1987
Condition
Fair
inspected September 2023
Type
Tee Beam
Concrete
Length
251 ft
5 main spans
Daily traffic
705
2016 count
Owner
State
State Highway Agency

About this bridge

North ST over Narraguagus River is a concrete tee beam carrying North ST over Narraguagus River in Washington County, Maine. It was built in 1924 and reconstructed in 1987, so it is 101 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 705 vehicles a day, roughly 5% of them trucks, projected to reach 1,128 by 2036. The structure is 251 ft (76.5 m) long and 28 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesNorth ST
CrossesNarraguagus River
Location1 MI E JCT 182
RouteCity Street 0
StateMaine
Coordinates44.60722, -67.92775
Functional classRural Local

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 protection8 Very GoodNo problems noted.
Last inspectionSeptember 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 geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36.4 US tons
Inventory rating28.2 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans5
Design loadUnknown
Structure length251 ft (76.5 m)
Longest span47 ft (14.3 m)
Deck width28 ft (8.6 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic705 (2016)
Projected traffic1,128 by 2036
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 North ST over Narraguagus River built?

It was built in 1924, making it 101 years old in 2025. It was reconstructed in 1987.

What condition is North ST over Narraguagus 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 September 2023.

How much traffic does North ST over Narraguagus River carry?

About 705 vehicles per day (2016 count), of which roughly 5% are trucks.

How long is North ST over Narraguagus River?

The structure is 251 ft (76.5 m) long with a longest span of 47 ft (14.3 m) and a deck 28 ft wide.

Who owns North ST over Narraguagus River?

It is owned by the State Highway Agency.