US Bridges

Wilson ST over I-395

Good

Penobscot County, Maine · Route 1A over I-395 · Structure no. 1564

Built
2021
4 years old
Condition
Good
inspected December 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
315 ft
2 main spans
Daily traffic
15,824
2016 count
Owner
State
State Highway Agency

About this bridge

Wilson ST over I-395 is a steel stringer/multi-beam or girder carrying Wilson ST over I-395 in Penobscot County, Maine. It was built in 2021, so it is 4 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 15,824 vehicles a day, roughly 5% of them trucks, projected to reach 22,154 by 2036. The structure is 315 ft (96 m) long and 59 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

Location

Open in Google Maps
CarriesWilson ST
CrossesI-395
LocationRoute 1A over I-395
RouteState Highway 1
CountyPenobscot County
StateMaine
Coordinates44.77127, -68.72153
Functional classUrban Other Principal Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating51 US tons
Inventory rating39.2 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans2
Design loadGreater than HL 93
Structure length315 ft (96 m)
Longest span156 ft (47.5 m)
Deck width59 ft (18.1 m)
Roadway width56 ft (17.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15,824 (2016)
Projected traffic22,154 by 2036
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed8.1 mi (13 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Wilson ST over I-395 built?

It was built in 2021, making it 4 years old in 2025.

What condition is Wilson ST over I-395 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 Wilson ST over I-395 carry?

About 15,824 vehicles per day (2016 count), of which roughly 5% are trucks.

How long is Wilson ST over I-395?

The structure is 315 ft (96 m) long with a longest span of 156 ft (47.5 m) and a deck 59 ft wide.

Who owns Wilson ST over I-395?

It is owned by the State Highway Agency.