US Bridges

Inv 2100311 RD over Trout Brook

Fair

Piscataquis County, Maine · 1.2MI NE Tl · Structure no. 6034

Built
1965
60 years old
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
66 ft
1 main span
Daily traffic
144
2016 count
Owner
State
Other State Agency

About this bridge

Inv 2100311 RD over Trout Brook is a steel stringer/multi-beam or girder carrying Inv 2100311 RD over Trout Brook in Piscataquis County, Maine. It was built in 1965, so it is 60 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 144 vehicles a day, roughly 5% of them trucks, projected to reach 230 by 2036. The structure is 66 ft (20 m) long and 20 ft wide. If it were closed, the detour would be 100 mi (161 km).

Location

Open in Google Maps
CarriesInv 2100311 RD
CrossesTrout Brook
Location1.2MI NE Tl
RouteFederal Lands Road 0
CountyPiscataquis County
StateMaine
Coordinates46.13563, -68.91572
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
Deck8 Very GoodNo problems noted.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating43.5 US tons
Inventory rating33.6 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckWood or timber
Main spans1
Design loadUnknown
Structure length66 ft (20 m)
Longest span61 ft (18.5 m)
Deck width20 ft (6.2 m)
Roadway width19 ft (5.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic144 (2016)
Projected traffic230 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

OwnerOther State Agency
Maintained byOther State 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 Inv 2100311 RD over Trout Brook built?

It was built in 1965, making it 60 years old in 2025.

What condition is Inv 2100311 RD over Trout Brook 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 October 2024.

How much traffic does Inv 2100311 RD over Trout Brook carry?

About 144 vehicles per day (2016 count), of which roughly 5% are trucks.

How long is Inv 2100311 RD over Trout Brook?

The structure is 66 ft (20 m) long with a longest span of 61 ft (18.5 m) and a deck 20 ft wide.

Who owns Inv 2100311 RD over Trout Brook?

It is owned by the Other State Agency.