US Bridges

Grand Falls RD over Limestone Stream

Fair

Aroostook County, Maine · 0.1 MI E of Route 1A · Structure no. 2100

Built
1964
61 years old
Condition
Fair
inspected June 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
37 ft
1 main span
Daily traffic
616
2016 count
Owner
State
State Highway Agency

About this bridge

Grand Falls RD over Limestone Stream is a steel stringer/multi-beam or girder carrying Grand Falls RD over Limestone Stream in Aroostook County, Maine. It was built in 1964, so it is 61 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 5 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 616 vehicles a day, roughly 5% of them trucks, projected to reach 986 by 2036. The structure is 37 ft (11.3 m) long and 39 ft wide. If it were closed, the detour would be 100 mi (161 km).

CarriesGrand Falls RD
CrossesLimestone Stream
Location0.1 MI E of Route 1A
RouteState Highway 229
StateMaine
Coordinates46.91175, -67.82383
Functional classRural Major Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, 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 protection7 GoodSome minor problems.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.1 US tons
Inventory rating35.7 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length37 ft (11.3 m)
Longest span35 ft (10.7 m)
Deck width39 ft (11.8 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic616 (2016)
Projected traffic986 by 2036
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
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 statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Grand Falls RD over Limestone Stream built?

It was built in 1964, making it 61 years old in 2025.

What condition is Grand Falls RD over Limestone Stream 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 June 2024.

How much traffic does Grand Falls RD over Limestone Stream carry?

About 616 vehicles per day (2016 count), of which roughly 5% are trucks.

How long is Grand Falls RD over Limestone Stream?

The structure is 37 ft (11.3 m) long with a longest span of 35 ft (10.7 m) and a deck 39 ft wide.

Who owns Grand Falls RD over Limestone Stream?

It is owned by the State Highway Agency.