US Bridges

I 95 NB over Route 158 (main St)

Fair

Aroostook County, Maine · I-95 Interchange 264 · Structure no. 6168

Built
1967
58 years old, rebuilt 1993
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
97 ft
1 main span
Daily traffic
1,790
2016 count
Owner
State
State Highway Agency

About this bridge

I 95 NB over Route 158 (main St) is a steel stringer/multi-beam or girder carrying I 95 NB over Route 158 (main St) in Aroostook County, Maine. It was built in 1967 and reconstructed in 1993, 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 1,790 vehicles a day, roughly 5% of them trucks, projected to reach 2,685 by 2036. The structure is 97 ft (29.6 m) long and 43 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesI 95 NB
CrossesRoute 158 (main St)
LocationI-95 Interchange 264
RouteState Highway 95
CountyAroostook County
StateMaine
Coordinates45.87281, -68.41246
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJuly 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 geometry6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating54.7 US tons
Inventory rating42.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length97 ft (29.6 m)
Longest span92 ft (28 m)
Deck width43 ft (13.1 m)
Roadway width39 ft (11.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,790 (2016)
Projected traffic2,685 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 Route 158 (main St) built?

It was built in 1967, making it 58 years old in 2025. It was reconstructed in 1993.

What condition is I 95 NB over Route 158 (main St) 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 July 2024.

How much traffic does I 95 NB over Route 158 (main St) carry?

About 1,790 vehicles per day (2016 count), of which roughly 5% are trucks.

How long is I 95 NB over Route 158 (main St)?

The structure is 97 ft (29.6 m) long with a longest span of 92 ft (28 m) and a deck 43 ft wide.

Who owns I 95 NB over Route 158 (main St)?

It is owned by the State Highway Agency.