US Bridges

Airline RD over Mopang Stream

Good

Washington County, Maine · 1 MI E Devereaux Tl · Structure no. 5438

Built
1999
26 years old
Condition
Good
inspected December 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
77 ft
1 main span
Daily traffic
2,872
2016 count
Owner
State
State Highway Agency

About this bridge

Airline RD over Mopang Stream is a steel stringer/multi-beam or girder carrying Airline RD over Mopang Stream in Washington County, Maine. It was built in 1999, so it is 26 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 77 ft (23.5 m) long and 43 ft wide. If it were closed, the detour would be 100 mi (161 km).

CarriesAirline RD
CrossesMopang Stream
Location1 MI E Devereaux Tl
RouteState Highway 9
StateMaine
Coordinates44.87097, -67.94075
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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating82.1 US tons
Inventory rating63.6 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length77 ft (23.5 m)
Longest span75 ft (22.9 m)
Deck width43 ft (13.1 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 Mopang Stream built?

It was built in 1999, making it 26 years old in 2025.

What condition is Airline RD over Mopang 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 December 2023.

How much traffic does Airline RD over Mopang Stream carry?

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

How long is Airline RD over Mopang Stream?

The structure is 77 ft (23.5 m) long with a longest span of 75 ft (22.9 m) and a deck 43 ft wide.

Who owns Airline RD over Mopang Stream?

It is owned by the State Highway Agency.