US Bridges

Hartland RD over Black Stream

Good

Somerset County, Maine · Athens-Hartland Tl · Structure no. 2135

Built
2019
6 years old
Condition
Good
inspected December 2024
Type
Culvert
Concrete
Length
27 ft
1 main span
Daily traffic
1,000
2017 count
Owner
State
State Highway Agency

About this bridge

Hartland RD over Black Stream is a concrete culvert carrying Hartland RD over Black Stream in Somerset County, Maine. It was built in 2019, so it is 6 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 1,000 vehicles a day, roughly 17% of them trucks, projected to reach 1,200 by 2037. The structure is 27 ft (8.1 m) long. If it were closed, the detour would be 29.2 mi (47 km).

CarriesHartland RD
CrossesBlack Stream
LocationAthens-Hartland Tl
RouteCounty Highway 43
StateMaine
Coordinates44.89951, -69.60312
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
Channel and channel protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating52.5 US tons
Inventory rating42.5 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadGreater than HL 93
Structure length27 ft (8.1 m)
Longest span25 ft (7.5 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,000 (2017)
Projected traffic1,200 by 2037
Trucks17%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed29.2 mi (47 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 2019, making it 6 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 December 2024.

How much traffic does Hartland RD over Black Stream carry?

About 1,000 vehicles per day (2017 count), of which roughly 17% are trucks.

How long is Hartland RD over Black Stream?

The structure is 27 ft (8.1 m) long with a longest span of 25 ft (7.5 m).

Who owns Hartland RD over Black Stream?

It is owned by the State Highway Agency.