US Bridges

I 95 SB over Patten Road

Fair

Aroostook County, Maine · 0.5 MI Nly of RTE 159 · Structure no. 6176

Built
1967
58 years old, rebuilt 1990
Condition
Fair
inspected November 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
198 ft
4 main spans
Daily traffic
2,590
2016 count
Owner
State
State Highway Agency

About this bridge

I 95 SB over Patten Road is a steel continuous stringer/multi-beam or girder carrying I 95 SB over Patten Road in Aroostook County, Maine. It was built in 1967 and reconstructed in 1990, so it is 58 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 2,590 vehicles a day, roughly 5% of them trucks, projected to reach 3,626 by 2036. The structure is 198 ft (60.4 m) long and 47 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI 95 SB
CrossesPatten Road
Location0.5 MI Nly of RTE 159
RouteState Highway 95
StateMaine
Coordinates46.01398, -68.28758
Functional classRural Principal Arterial - Interstate

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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating62.5 US tons
Inventory rating48.2 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20 + Mod
Structure length198 ft (60.4 m)
Longest span55 ft (16.8 m)
Deck width47 ft (14.3 m)
Roadway width43 ft (13.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,590 (2016)
Projected traffic3,626 by 2036
Trucks5%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway and railroad
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was I 95 SB over Patten Road built?

It was built in 1967, making it 58 years old in 2025. It was reconstructed in 1990.

What condition is I 95 SB over Patten Road 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 I 95 SB over Patten Road carry?

About 2,590 vehicles per day (2016 count), of which roughly 5% are trucks.

How long is I 95 SB over Patten Road?

The structure is 198 ft (60.4 m) long with a longest span of 55 ft (16.8 m) and a deck 47 ft wide.

Who owns I 95 SB over Patten Road?

It is owned by the State Highway Agency.