US Bridges

Main RD over Kingsbury Stream

Good

Piscataquis County, Maine · 0.1 MI S JCT 16W & 15 · Structure no. 2003

Built
2005
20 years old
Condition
Good
inspected October 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
129 ft
1 main span
Daily traffic
3,239
2016 count
Owner
State
State Highway Agency

About this bridge

Main RD over Kingsbury Stream is a steel stringer/multi-beam or girder carrying Main RD over Kingsbury Stream in Piscataquis County, Maine. It was built in 2005, so it is 20 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 3,239 vehicles a day, roughly 5% of them trucks, projected to reach 4,535 by 2036. The structure is 129 ft (39.4 m) long and 42 ft wide. If it were closed, the detour would be 65.9 mi (106 km).

CarriesMain RD
CrossesKingsbury Stream
Location0.1 MI S JCT 16W & 15
RouteState Highway 6
StateMaine
Coordinates45.18431, -69.45184
Functional classRural Minor Arterial

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 inspectionOctober 2023
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 alignment7: Better than present minimum criteria
Operating rating61.1 US tons
Inventory rating47.2 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadGreater than HL 93
Structure length129 ft (39.4 m)
Longest span121 ft (37 m)
Deck width42 ft (12.8 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,239 (2016)
Projected traffic4,535 by 2036
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed65.9 mi (106 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 Main RD over Kingsbury Stream built?

It was built in 2005, making it 20 years old in 2025.

What condition is Main RD over Kingsbury 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 October 2023.

How much traffic does Main RD over Kingsbury Stream carry?

About 3,239 vehicles per day (2016 count), of which roughly 5% are trucks.

How long is Main RD over Kingsbury Stream?

The structure is 129 ft (39.4 m) long with a longest span of 121 ft (37 m) and a deck 42 ft wide.

Who owns Main RD over Kingsbury Stream?

It is owned by the State Highway Agency.