US Bridges

Blake RD over Limestone Stream

Poor

Aroostook County, Maine · 2.2 MI S JCT 229 · Structure no. 5291

Built
1953
72 years old
Condition
Poor
inspected November 2024
Type
Slab
Concrete
Length
29 ft
1 main span
Daily traffic
120
2016 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Blake RD over Limestone Stream is a concrete slab carrying Blake RD over Limestone Stream in Aroostook County, Maine. It was built in 1953, so it is 72 years old, older 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 120 vehicles a day, roughly 5% of them trucks, projected to reach 192 by 2036. The structure is 29 ft (8.8 m) long and 28 ft wide.

Location

Open in Google Maps
CarriesBlake RD
CrossesLimestone Stream
Location2.2 MI S JCT 229
RouteCity Street 0
CountyAroostook County
StateMaine
Coordinates46.88845, -67.79825
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
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Last inspectionNovember 2024
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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.3 US tons
Inventory rating45.7 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length29 ft (8.8 m)
Longest span25 ft (7.6 m)
Deck width28 ft (8.4 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic120 (2016)
Projected traffic192 by 2036
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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 Blake RD over Limestone Stream built?

It was built in 1953, making it 72 years old in 2025.

What condition is Blake RD over Limestone Stream 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 November 2024.

How much traffic does Blake RD over Limestone Stream carry?

About 120 vehicles per day (2016 count), of which roughly 5% are trucks.

How long is Blake RD over Limestone Stream?

The structure is 29 ft (8.8 m) long with a longest span of 25 ft (7.6 m) and a deck 28 ft wide.

Who owns Blake RD over Limestone Stream?

It is owned by the Town or Township Highway Agency.