US Bridges

Airline RD over East Machias River

Fair

Washington County, Maine · 4 MI NE JCT of RTE 192 · Structure no. 3086

Built
1973
52 years old
Condition
Fair
inspected November 2024
Type
Culvert
Concrete
Length
40 ft
1 main span
Daily traffic
2,814
2016 count
Owner
State
State Highway Agency

About this bridge

Airline RD over East Machias River is a concrete culvert carrying Airline RD over East Machias River in Washington County, Maine. It was built in 1973, so it is 52 years old, younger than the Maine average of 53.7 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 2,814 vehicles a day, roughly 5% of them trucks, projected to reach 3,940 by 2036. The structure is 40 ft (12.1 m) long. If it were closed, the detour would be 100 mi (161 km).

CarriesAirline RD
CrossesEast Machias River
Location4 MI NE JCT of RTE 192
RouteState Highway 9
StateMaine
Coordinates45.00067, -67.61801
Functional classRural Principal Arterial - Other

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating84.3 US tons
Inventory rating65 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20
Structure length40 ft (12.1 m)
Longest span35 ft (10.8 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,814 (2016)
Projected traffic3,940 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 statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Airline RD over East Machias River built?

It was built in 1973, making it 52 years old in 2025.

What condition is Airline RD over East Machias River in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in November 2024.

How much traffic does Airline RD over East Machias River carry?

About 2,814 vehicles per day (2016 count), of which roughly 5% are trucks.

How long is Airline RD over East Machias River?

The structure is 40 ft (12.1 m) long with a longest span of 35 ft (10.8 m).

Who owns Airline RD over East Machias River?

It is owned by the State Highway Agency.