US Bridges

Crystal RD over Crystal Stream

Poor

Aroostook County, Maine · 3.8 MI W of Island Falls · Structure no. 3048

Built
1933
92 years old
Condition
Poor
inspected June 2024
Type
Tee Beam
Concrete
Length
39 ft
1 main span
Daily traffic
870
2016 count
Owner
State
State Highway Agency

About this bridge

Crystal RD over Crystal Stream is a concrete tee beam carrying Crystal RD over Crystal Stream in Aroostook County, Maine. It was built in 1933, so it is 92 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 870 vehicles a day, roughly 5% of them trucks, projected to reach 1,392 by 2016. The structure is 39 ft (11.8 m) long and 28 ft wide. If it were closed, the detour would be 26.7 mi (43 km).

CarriesCrystal RD
CrossesCrystal Stream
Location3.8 MI W of Island Falls
RouteState Highway 159
StateMaine
Coordinates46.02068, -68.37254
Functional classRural Major Collector

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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating54.2 US tons
Inventory rating32.5 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length39 ft (11.8 m)
Longest span35 ft (10.6 m)
Deck width28 ft (8.5 m)
Roadway width25 ft (7.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic870 (2016)
Projected traffic1,392 by 2016
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed26.7 mi (43 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 Crystal RD over Crystal Stream built?

It was built in 1933, making it 92 years old in 2025.

What condition is Crystal RD over Crystal 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 June 2024.

How much traffic does Crystal RD over Crystal Stream carry?

About 870 vehicles per day (2016 count), of which roughly 5% are trucks.

How long is Crystal RD over Crystal Stream?

The structure is 39 ft (11.8 m) long with a longest span of 35 ft (10.6 m) and a deck 28 ft wide.

Who owns Crystal RD over Crystal Stream?

It is owned by the State Highway Agency.