US Bridges

Dexter RD over Black Stream

Fair

Piscataquis County, Maine · 4.2 MI N of Garland · Structure no. 2076

Built
1976
49 years old
Condition
Fair
inspected July 2024
Type
Slab
Concrete
Length
35 ft
1 main span
Daily traffic
3,106
2016 count
Owner
State
State Highway Agency

About this bridge

Dexter RD over Black Stream is a concrete slab carrying Dexter RD over Black Stream in Piscataquis County, Maine. It was built in 1976, so it is 49 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 3,106 vehicles a day, roughly 5% of them trucks, projected to reach 4,348 by 2036. The structure is 35 ft (10.8 m) long and 47 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesDexter RD
CrossesBlack Stream
Location4.2 MI N of Garland
RouteState Highway 7
CountyPiscataquis County
StateMaine
Coordinates45.15041, -69.23636
Functional classRural Minor Arterial

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.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating70 US tons
Inventory rating53.9 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length35 ft (10.8 m)
Longest span32 ft (9.8 m)
Deck width47 ft (14.2 m)
Roadway width43 ft (13.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,106 (2016)
Projected traffic4,348 by 2036
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Dexter RD over Black Stream built?

It was built in 1976, making it 49 years old in 2025.

What condition is Dexter RD over Black Stream 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 Dexter RD over Black Stream carry?

About 3,106 vehicles per day (2016 count), of which roughly 5% are trucks.

How long is Dexter RD over Black Stream?

The structure is 35 ft (10.8 m) long with a longest span of 32 ft (9.8 m) and a deck 47 ft wide.

Who owns Dexter RD over Black Stream?

It is owned by the State Highway Agency.