US Bridges

Frenchtown RD over Intervale Brook

Poor

Piscataquis County, Maine · 3.6 Mi. E. of Lily Bay RD · Structure no. 1722

Built
1980
45 years old, rebuilt 2020
Condition
Poor
inspected October 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
29 ft
1 main span
Daily traffic
133
2016 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Frenchtown RD over Intervale Brook is a steel stringer/multi-beam or girder carrying Frenchtown RD over Intervale Brook in Piscataquis County, Maine. It was built in 1980 and reconstructed in 2020, so it is 45 years old, younger 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 133 vehicles a day, roughly 5% of them trucks, projected to reach 213 by 2036. The structure is 29 ft (8.7 m) long and 17 ft wide. If it were closed, the detour would be 100 mi (161 km).

CarriesFrenchtown RD
CrossesIntervale Brook
Location3.6 Mi. E. of Lily Bay RD
RouteCity Street 0
StateMaine
Coordinates45.64647, -69.37787
Functional classRural Local

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
Deck8 Very GoodNo problems noted.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating46.1 US tons
Inventory rating35.7 US tons

Structure

MaterialSteel
DeckConcrete, precast panels
Main spans1
Design loadHL 93
Structure length29 ft (8.7 m)
Longest span27 ft (8.1 m)
Deck width17 ft (5.1 m)
Roadway width16 ft (4.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic133 (2016)
Projected traffic213 by 2036
Trucks5%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed100 mi (161 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerTown or Township Highway Agency
Maintained byTown or Township 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 Frenchtown RD over Intervale Brook built?

It was built in 1980, making it 45 years old in 2025. It was reconstructed in 2020.

What condition is Frenchtown RD over Intervale Brook 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 2023.

How much traffic does Frenchtown RD over Intervale Brook carry?

About 133 vehicles per day (2016 count), of which roughly 5% are trucks.

How long is Frenchtown RD over Intervale Brook?

The structure is 29 ft (8.7 m) long with a longest span of 27 ft (8.1 m) and a deck 17 ft wide.

Who owns Frenchtown RD over Intervale Brook?

It is owned by the Town or Township Highway Agency.