US Bridges

Limestone ST over Otter Brook

Poor

Aroostook County, Maine · 0.1 MI S of JCT RTE 89 · Structure no. 2284

Built
1930
95 years old
Condition
Poor
inspected April 2024
Type
Culvert
Concrete
Length
27 ft
2 main spans
Daily traffic
260
2016 count
Owner
State
State Highway Agency

About this bridge

Limestone ST over Otter Brook is a concrete culvert carrying Limestone ST over Otter Brook in Aroostook County, Maine. It was built in 1930, so it is 95 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 260 vehicles a day, roughly 5% of them trucks, projected to reach 416 by 2036. The structure is 27 ft (8.1 m) long.

Location

Open in Google Maps
CarriesLimestone ST
CrossesOtter Brook
Location0.1 MI S of JCT RTE 89
RouteCity Street 0
CountyAroostook County
StateMaine
Coordinates46.87271, -67.98504
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
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Culvert4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionApril 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
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating44 US tons
Inventory rating34 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadH 20
Structure length27 ft (8.1 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic260 (2016)
Projected traffic416 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

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 Limestone ST over Otter Brook built?

It was built in 1930, making it 95 years old in 2025.

What condition is Limestone ST over Otter Brook 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 April 2024.

How much traffic does Limestone ST over Otter Brook carry?

About 260 vehicles per day (2016 count), of which roughly 5% are trucks.

How long is Limestone ST over Otter Brook?

The structure is 27 ft (8.1 m) long with a longest span of 10 ft (3 m).

Who owns Limestone ST over Otter Brook?

It is owned by the State Highway Agency.