US Bridges

I 95 NB over N Howland RD

Fair

Penobscot County, Maine · 2.5 MI NW Townline · Structure no. 1418

Built
1975
50 years old
Condition
Fair
inspected August 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
140 ft
3 main spans
Daily traffic
3,880
2016 count
Owner
State
State Highway Agency

About this bridge

I 95 NB over N Howland RD is a steel continuous stringer/multi-beam or girder carrying I 95 NB over N Howland RD in Penobscot County, Maine. It was built in 1975, so it is 50 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 6 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 3,880 vehicles a day, roughly 5% of them trucks, projected to reach 5,432 by 2036. The structure is 140 ft (42.7 m) long and 44 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesI 95 NB
CrossesN Howland RD
Location2.5 MI NW Townline
RouteState Highway 95
CountyPenobscot County
StateMaine
Coordinates45.26778, -68.67909
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating50 US tons
Inventory rating38.6 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length140 ft (42.7 m)
Longest span54 ft (16.5 m)
Deck width44 ft (13.4 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,880 (2016)
Projected traffic5,432 by 2036
Trucks5%
Lanes on structure2
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 95 NB over N Howland RD built?

It was built in 1975, making it 50 years old in 2025.

What condition is I 95 NB over N Howland RD 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 August 2023.

How much traffic does I 95 NB over N Howland RD carry?

About 3,880 vehicles per day (2016 count), of which roughly 5% are trucks.

How long is I 95 NB over N Howland RD?

The structure is 140 ft (42.7 m) long with a longest span of 54 ft (16.5 m) and a deck 44 ft wide.

Who owns I 95 NB over N Howland RD?

It is owned by the State Highway Agency.