US Bridges

Station RD over Mill Stream

Fair

Aroostook County, Maine · 1.2 MI S JCT US2 · Structure no. 3995

Built
1948
77 years old
Condition
Fair
inspected September 2024
Type
Slab
Concrete
Length
29 ft
1 main span
Daily traffic
1,050
2016 count
Owner
State
State Highway Agency

About this bridge

Station RD over Mill Stream is a concrete slab carrying Station RD over Mill Stream in Aroostook County, Maine. It was built in 1948, so it is 77 years old, older 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 5 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 1,050 vehicles a day, roughly 5% of them trucks, projected to reach 1,575 by 2036. The structure is 29 ft (8.9 m) long and 34 ft wide. If it were closed, the detour would be 19.3 mi (31 km).

CarriesStation RD
CrossesMill Stream
Location1.2 MI S JCT US2
RouteCounty Highway 0
StateMaine
Coordinates46.11145, -67.95946
Functional classRural Major Collector

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating47.5 US tons
Inventory rating36.8 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length29 ft (8.9 m)
Longest span25 ft (7.6 m)
Deck width34 ft (10.5 m)
Roadway width33 ft (10.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,050 (2016)
Projected traffic1,575 by 2036
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed19.3 mi (31 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 Station RD over Mill Stream built?

It was built in 1948, making it 77 years old in 2025.

What condition is Station RD over Mill Stream 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 September 2024.

How much traffic does Station RD over Mill Stream carry?

About 1,050 vehicles per day (2016 count), of which roughly 5% are trucks.

How long is Station RD over Mill Stream?

The structure is 29 ft (8.9 m) long with a longest span of 25 ft (7.6 m) and a deck 34 ft wide.

Who owns Station RD over Mill Stream?

It is owned by the State Highway Agency.