US Bridges

Boundary Line RD over Prestile Stream

Good

Aroostook County, Maine · 3.5 MI NE of JCT US1 · Structure no. 3734

Built
2014
11 years old
Condition
Good
inspected June 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
117 ft
1 main span
Daily traffic
420
2016 count
Owner
State
State Highway Agency

About this bridge

Boundary Line RD over Prestile Stream is a steel stringer/multi-beam or girder carrying Boundary Line RD over Prestile Stream in Aroostook County, Maine. It was built in 2014, so it is 11 years old, younger than the Maine average of 53.7 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 420 vehicles a day, roughly 5% of them trucks, projected to reach 672 by 2036. The structure is 117 ft (35.7 m) long and 29 ft wide. If it were closed, the detour would be 100 mi (161 km).

Location

Open in Google Maps
CarriesBoundary Line RD
CrossesPrestile Stream
Location3.5 MI NE of JCT US1
RouteCounty Highway 0
CountyAroostook County
StateMaine
Coordinates46.44912, -67.7888
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating58.5 US tons
Inventory rating45 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1 (+1 approach)
Design loadGreater than HL 93
Structure length117 ft (35.7 m)
Longest span110 ft (33.5 m)
Deck width29 ft (8.8 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic420 (2016)
Projected traffic672 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

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 Boundary Line RD over Prestile Stream built?

It was built in 2014, making it 11 years old in 2025.

What condition is Boundary Line RD over Prestile Stream in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in June 2024.

How much traffic does Boundary Line RD over Prestile Stream carry?

About 420 vehicles per day (2016 count), of which roughly 5% are trucks.

How long is Boundary Line RD over Prestile Stream?

The structure is 117 ft (35.7 m) long with a longest span of 110 ft (33.5 m) and a deck 29 ft wide.

Who owns Boundary Line RD over Prestile Stream?

It is owned by the State Highway Agency.