US Bridges

Black Stream RD over Black Stream

Fair

Penobscot County, Maine · 1.1MI N of US 2 & RTE 100 · Structure no. 3560

Built
2004
21 years old
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
99 ft
1 main span
Daily traffic
763
2016 count
Owner
State
State Highway Agency

About this bridge

Black Stream RD over Black Stream is a steel stringer/multi-beam or girder carrying Black Stream RD over Black Stream in Penobscot County, Maine. It was built in 2004, so it is 21 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 763 vehicles a day, roughly 5% of them trucks, projected to reach 1,221 by 2036. The structure is 99 ft (30.3 m) long and 31 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesBlack Stream RD
CrossesBlack Stream
Location1.1MI N of US 2 & RTE 100
RouteCity Street 0
StateMaine
Coordinates44.81969, -68.96127
Functional classRural Local

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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.4 US tons
Inventory rating35.7 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadGreater than HL 93
Structure length99 ft (30.3 m)
Longest span98 ft (30 m)
Deck width31 ft (9.4 m)
Roadway width23 ft (7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic763 (2016)
Projected traffic1,221 by 2036
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 Black Stream RD over Black Stream built?

It was built in 2004, making it 21 years old in 2025.

What condition is Black Stream 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 September 2024.

How much traffic does Black Stream RD over Black Stream carry?

About 763 vehicles per day (2016 count), of which roughly 5% are trucks.

How long is Black Stream RD over Black Stream?

The structure is 99 ft (30.3 m) long with a longest span of 98 ft (30 m) and a deck 31 ft wide.

Who owns Black Stream RD over Black Stream?

It is owned by the State Highway Agency.