US Bridges

Harmony RD over Higgins Stream

Fair

Piscataquis County, Maine · 1.6 MI Nly of Harmony · Structure no. 6022

Built
1966
59 years old
Condition
Fair
inspected August 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
48 ft
1 main span
Daily traffic
277
2016 count
Owner
State
State Highway Agency

About this bridge

Harmony RD over Higgins Stream is a steel stringer/multi-beam or girder carrying Harmony RD over Higgins Stream in Piscataquis County, Maine. It was built in 1966, so it is 59 years old, older 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 277 vehicles a day, roughly 5% of them trucks, projected to reach 443 by 2036. The structure is 48 ft (14.7 m) long and 31 ft wide. If it were closed, the detour would be 16.8 mi (27 km).

Location

Open in Google Maps
CarriesHarmony RD
CrossesHiggins Stream
Location1.6 MI Nly of Harmony
RouteCounty Highway 154
CountyPiscataquis County
StateMaine
Coordinates45.03979, -69.59696
Functional classRural Minor 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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating50.7 US tons
Inventory rating39.2 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length48 ft (14.7 m)
Longest span47 ft (14.2 m)
Deck width31 ft (9.4 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic277 (2016)
Projected traffic443 by 2036
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed16.8 mi (27 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Harmony RD over Higgins Stream built?

It was built in 1966, making it 59 years old in 2025.

What condition is Harmony RD over Higgins 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 August 2024.

How much traffic does Harmony RD over Higgins Stream carry?

About 277 vehicles per day (2016 count), of which roughly 5% are trucks.

How long is Harmony RD over Higgins Stream?

The structure is 48 ft (14.7 m) long with a longest span of 47 ft (14.2 m) and a deck 31 ft wide.

Who owns Harmony RD over Higgins Stream?

It is owned by the State Highway Agency.