US Bridges

Dyer Brook RD over I-95 Northbound

Fair

Aroostook County, Maine · Over I95 Mile 284.2 · Structure no. 1398

Built
1978
47 years old
Condition
Fair
inspected August 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
129 ft
1 main span
Daily traffic
560
2016 count
Owner
State
State Highway Agency

About this bridge

Dyer Brook RD over I-95 Northbound is a steel stringer/multi-beam or girder carrying Dyer Brook RD over I-95 Northbound in Aroostook County, Maine. It was built in 1978, so it is 47 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 560 vehicles a day, roughly 5% of them trucks, projected to reach 896 by 2036. The structure is 129 ft (39.3 m) long and 37 ft wide. If it were closed, the detour would be 26.1 mi (42 km).

Location

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CarriesDyer Brook RD
CrossesI-95 Northbound
LocationOver I95 Mile 284.2
RouteState Highway 2
CountyAroostook County
StateMaine
Coordinates46.09801, -68.18567
Functional classRural Major Collector

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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionAugust 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 alignment6: Equal to present minimum criteria
Operating rating50.4 US tons
Inventory rating38.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length129 ft (39.3 m)
Longest span123 ft (37.5 m)
Deck width37 ft (11.2 m)
Roadway width33 ft (10.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic560 (2016)
Projected traffic896 by 2036
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed26.1 mi (42 km)
TollOn a free road
National Highway SystemNo

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 Dyer Brook RD over I-95 Northbound built?

It was built in 1978, making it 47 years old in 2025.

What condition is Dyer Brook RD over I-95 Northbound 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 2024.

How much traffic does Dyer Brook RD over I-95 Northbound carry?

About 560 vehicles per day (2016 count), of which roughly 5% are trucks.

How long is Dyer Brook RD over I-95 Northbound?

The structure is 129 ft (39.3 m) long with a longest span of 123 ft (37.5 m) and a deck 37 ft wide.

Who owns Dyer Brook RD over I-95 Northbound?

It is owned by the State Highway Agency.