US Bridges

Hartland RD over Black Stream

Good

Somerset County, Maine · 2.3 MI N JCT US 2 · Structure no. 3159

Built
2022
3 years old
Condition
Good
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
116 ft
1 main span
Daily traffic
1,106
2016 count
Owner
State
State Highway Agency

About this bridge

Hartland RD over Black Stream is a steel stringer/multi-beam or girder carrying Hartland RD over Black Stream in Somerset County, Maine. It was built in 2022, so it is 3 years old, younger than the Maine average of 53.7 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 1,106 vehicles a day, roughly 5% of them trucks, projected to reach 1,437 by 2036. The structure is 116 ft (35.4 m) long and 33 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesHartland RD
CrossesBlack Stream
Location2.3 MI N JCT US 2
RouteCounty Highway 23
StateMaine
Coordinates44.79769, -69.54539
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating67.5 US tons
Inventory rating52.1 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadGreater than HL 93
Structure length116 ft (35.4 m)
Longest span113 ft (34.4 m)
Deck width33 ft (10.2 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,106 (2016)
Projected traffic1,437 by 2036
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 Hartland RD over Black Stream built?

It was built in 2022, making it 3 years old in 2025.

What condition is Hartland RD over Black Stream in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in September 2024.

How much traffic does Hartland RD over Black Stream carry?

About 1,106 vehicles per day (2016 count), of which roughly 5% are trucks.

How long is Hartland RD over Black Stream?

The structure is 116 ft (35.4 m) long with a longest span of 113 ft (34.4 m) and a deck 33 ft wide.

Who owns Hartland RD over Black Stream?

It is owned by the State Highway Agency.