US Bridges

I 395 EB over Routes US 1A & 9

Fair

Penobscot County, Maine · I395 Interchange #3 · Structure no. 5799

Built
1986
39 years old
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
117 ft
1 main span
Daily traffic
13,290
2016 count
Owner
State
State Highway Agency

About this bridge

I 395 EB over Routes US 1A & 9 is a steel stringer/multi-beam or girder carrying I 395 EB over Routes US 1A & 9 in Penobscot County, Maine. It was built in 1986, so it is 39 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 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 13,290 vehicles a day, roughly 5% of them trucks, projected to reach 18,606 by 2036. The structure is 117 ft (35.7 m) long and 142 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI 395 EB
CrossesRoutes US 1A & 9
LocationI395 Interchange #3
RouteState Highway 395
StateMaine
Coordinates44.78554, -68.77957
Functional classUrban 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionOctober 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 rating53.2 US tons
Inventory rating41.1 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length117 ft (35.7 m)
Longest span112 ft (34 m)
Deck width142 ft (43.2 m)
Roadway width127 ft (38.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic13,290 (2016)
Projected traffic18,606 by 2036
Trucks5%
Lanes on structure6
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
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 395 EB over Routes US 1A & 9 built?

It was built in 1986, making it 39 years old in 2025.

What condition is I 395 EB over Routes US 1A & 9 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 October 2024.

How much traffic does I 395 EB over Routes US 1A & 9 carry?

About 13,290 vehicles per day (2016 count), of which roughly 5% are trucks.

How long is I 395 EB over Routes US 1A & 9?

The structure is 117 ft (35.7 m) long with a longest span of 112 ft (34 m) and a deck 142 ft wide.

Who owns I 395 EB over Routes US 1A & 9?

It is owned by the State Highway Agency.