US Bridges

Crystal RD over Fish Stream

Good

Aroostook County, Maine · 0.6 MI W of Island Falls · Structure no. 3975

Built
2008
17 years old
Condition
Good
inspected June 2024
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete
Length
66 ft
1 main span
Daily traffic
970
2016 count
Owner
State
State Highway Agency

About this bridge

Crystal RD over Fish Stream is a prestressed concrete box beam or girders - single or spread carrying Crystal RD over Fish Stream in Aroostook County, Maine. It was built in 2008, so it is 17 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 970 vehicles a day, roughly 5% of them trucks, projected to reach 1,552 by 2036. The structure is 66 ft (20.2 m) long and 29 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

CarriesCrystal RD
CrossesFish Stream
Location0.6 MI W of Island Falls
RouteState Highway 159
StateMaine
Coordinates46.01024, -68.31285
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 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 rating82.5 US tons
Inventory rating62.5 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadGreater than HL 93
Structure length66 ft (20.2 m)
Longest span64 ft (19.4 m)
Deck width29 ft (8.7 m)
Roadway width29 ft (8.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic970 (2016)
Projected traffic1,552 by 2036
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.8 mi (19 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 Fish Stream built?

It was built in 2008, making it 17 years old in 2025.

What condition is Crystal RD over Fish 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 June 2024.

How much traffic does Crystal RD over Fish Stream carry?

About 970 vehicles per day (2016 count), of which roughly 5% are trucks.

How long is Crystal RD over Fish Stream?

The structure is 66 ft (20.2 m) long with a longest span of 64 ft (19.4 m) and a deck 29 ft wide.

Who owns Crystal RD over Fish Stream?

It is owned by the State Highway Agency.