US Bridges

Milbridge RD over Narraguagus Rv

Poor

Washington County, Maine · .1 MI E 182 · Structure no. 2192

Built
1935
90 years old, rebuilt 2021
Condition
Poor
inspected February 2025
Type
Tee Beam
Concrete
Length
163 ft
3 main spans
Daily traffic
2,493
2016 count
Owner
State
State Highway Agency

About this bridge

Milbridge RD over Narraguagus Rv is a concrete tee beam carrying Milbridge RD over Narraguagus Rv in Washington County, Maine. It was built in 1935 and reconstructed in 2021, so it is 90 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 2,493 vehicles a day, roughly 5% of them trucks, projected to reach 3,490 by 2036. The structure is 163 ft (49.7 m) long and 36 ft wide. If it were closed, the detour would be 19.9 mi (32 km).

CarriesMilbridge RD
CrossesNarraguagus Rv
Location.1 MI E 182
RouteState Highway 1
StateMaine
Coordinates44.59782, -67.92514
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2025
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 geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating50.7 US tons
Inventory rating39.2 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length163 ft (49.7 m)
Longest span50 ft (15.2 m)
Deck width36 ft (11.1 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,493 (2016)
Projected traffic3,490 by 2036
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed19.9 mi (32 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—
NavigationNavigation control on waterway (bridge permit required)

Frequently asked questions

When was Milbridge RD over Narraguagus Rv built?

It was built in 1935, making it 90 years old in 2025. It was reconstructed in 2021.

What condition is Milbridge RD over Narraguagus Rv 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 February 2025.

How much traffic does Milbridge RD over Narraguagus Rv carry?

About 2,493 vehicles per day (2016 count), of which roughly 5% are trucks.

How long is Milbridge RD over Narraguagus Rv?

The structure is 163 ft (49.7 m) long with a longest span of 50 ft (15.2 m) and a deck 36 ft wide.

Who owns Milbridge RD over Narraguagus Rv?

It is owned by the State Highway Agency.