US Bridges

I 95 SB over Dyer Brook

Fair

Aroostook County, Maine · 4.5 MI N Townline · Structure no. 6180

Built
1965
60 years old
Condition
Fair
inspected October 2024
Type
Culvert
Concrete
Length
22 ft
1 main span
Daily traffic
2,590
2016 count
Owner
State
State Highway Agency

About this bridge

I 95 SB over Dyer Brook is a concrete culvert carrying I 95 SB over Dyer Brook in Aroostook County, Maine. It was built in 1965, so it is 60 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 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 2,590 vehicles a day, roughly 5% of them trucks, projected to reach 3,626 by 2036. The structure is 22 ft (6.7 m) long. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesI 95 SB
CrossesDyer Brook
Location4.5 MI N Townline
RouteState Highway 95
CountyAroostook County
StateMaine
Coordinates46.0849, -68.20974
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
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20 + Mod
Structure length22 ft (6.7 m)
Longest span22 ft (6.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 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
CrossesWaterway
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was I 95 SB over Dyer Brook built?

It was built in 1965, making it 60 years old in 2025.

What condition is I 95 SB over Dyer Brook 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 95 SB over Dyer Brook carry?

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

How long is I 95 SB over Dyer Brook?

The structure is 22 ft (6.7 m) long with a longest span of 22 ft (6.7 m).

Who owns I 95 SB over Dyer Brook?

It is owned by the State Highway Agency.