US Bridges

Castine RD over Orland River

Good

Hancock County, Maine · 0.5 MI E JCT US 1 · Structure no. 2632

Built
2009
16 years old
Condition
Good
inspected December 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
89 ft
1 main span
Daily traffic
2,180
2016 count
Owner
State
State Highway Agency

About this bridge

Castine RD over Orland River is a prestressed concrete stringer/multi-beam or girder carrying Castine RD over Orland River in Hancock County, Maine. It was built in 2009, so it is 16 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 2,180 vehicles a day, roughly 5% of them trucks, projected to reach 3,052 by 2036. The structure is 89 ft (27.1 m) long and 35 ft wide. If it were closed, the detour would be 21.7 mi (35 km).

CarriesCastine RD
CrossesOrland River
Location0.5 MI E JCT US 1
RouteState Highway 166
StateMaine
Coordinates44.57184, -68.74385
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.
Substructure8 Very GoodNo problems noted.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating55.7 US tons
Inventory rating42.9 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadGreater than HL 93
Structure length89 ft (27.1 m)
Longest span86 ft (26.2 m)
Deck width35 ft (10.8 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,180 (2016)
Projected traffic3,052 by 2036
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed21.7 mi (35 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 Castine RD over Orland River built?

It was built in 2009, making it 16 years old in 2025.

What condition is Castine RD over Orland River 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 December 2023.

How much traffic does Castine RD over Orland River carry?

About 2,180 vehicles per day (2016 count), of which roughly 5% are trucks.

How long is Castine RD over Orland River?

The structure is 89 ft (27.1 m) long with a longest span of 86 ft (26.2 m) and a deck 35 ft wide.

Who owns Castine RD over Orland River?

It is owned by the State Highway Agency.