US Bridges

Airline RD over Pembroke Stream

Good

Washington County, Maine · 1.7 MI Ely of T30MD · Structure no. 3743

Built
2018
7 years old
Condition
Good
inspected April 2024
Type
Tee Beam
Prestressed Concrete
Length
75 ft
1 main span
Daily traffic
2,872
2016 count
Owner
State
State Highway Agency

About this bridge

Airline RD over Pembroke Stream is a prestressed concrete tee beam carrying Airline RD over Pembroke Stream in Washington County, Maine. It was built in 2018, so it is 7 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 2,872 vehicles a day, roughly 5% of them trucks, projected to reach 4,021 by 2036. The structure is 75 ft (22.9 m) long and 43 ft wide. If it were closed, the detour would be 100 mi (161 km).

CarriesAirline RD
CrossesPembroke Stream
Location1.7 MI Ely of T30MD
RouteState Highway 9
StateMaine
Coordinates44.90435, -67.80721
Functional classRural Principal Arterial - Other

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.6 US tons
Inventory rating46.1 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadGreater than HL 93
Structure length75 ft (22.9 m)
Longest span72 ft (21.9 m)
Deck width43 ft (13.2 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,872 (2016)
Projected traffic4,021 by 2036
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed100 mi (161 km)
TollOn a free road
National Highway SystemYes

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 Airline RD over Pembroke Stream built?

It was built in 2018, making it 7 years old in 2025.

What condition is Airline RD over Pembroke 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 April 2024.

How much traffic does Airline RD over Pembroke Stream carry?

About 2,872 vehicles per day (2016 count), of which roughly 5% are trucks.

How long is Airline RD over Pembroke Stream?

The structure is 75 ft (22.9 m) long with a longest span of 72 ft (21.9 m) and a deck 43 ft wide.

Who owns Airline RD over Pembroke Stream?

It is owned by the State Highway Agency.