US Bridges

Aroostook RD over Wallagrass Stream

Good

Aroostook County, Maine · 4.7 MI N Townline · Structure no. 2909

Built
2010
15 years old
Condition
Good
inspected September 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
62 ft
1 main span
Daily traffic
1,640
2016 count
Owner
State
State Highway Agency

About this bridge

Aroostook RD over Wallagrass Stream is a prestressed concrete box beam or girders - multiple carrying Aroostook RD over Wallagrass Stream in Aroostook County, Maine. It was built in 2010, so it is 15 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 1,640 vehicles a day, roughly 5% of them trucks, projected to reach 2,460 by 2036. The structure is 62 ft (19 m) long and 36 ft wide. If it were closed, the detour would be 100 mi (161 km).

Location

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CarriesAroostook RD
CrossesWallagrass Stream
Location4.7 MI N Townline
RouteState Highway 11
CountyAroostook County
StateMaine
Coordinates47.16742, -68.59763
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum 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 rating74.3 US tons
Inventory rating57.1 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadGreater than HL 93
Structure length62 ft (19 m)
Longest span60 ft (18.3 m)
Deck width36 ft (11 m)
Roadway width33 ft (10.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,640 (2016)
Projected traffic2,460 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 Aroostook RD over Wallagrass Stream built?

It was built in 2010, making it 15 years old in 2025.

What condition is Aroostook RD over Wallagrass 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 September 2024.

How much traffic does Aroostook RD over Wallagrass Stream carry?

About 1,640 vehicles per day (2016 count), of which roughly 5% are trucks.

How long is Aroostook RD over Wallagrass Stream?

The structure is 62 ft (19 m) long with a longest span of 60 ft (18.3 m) and a deck 36 ft wide.

Who owns Aroostook RD over Wallagrass Stream?

It is owned by the State Highway Agency.