US Bridges

Rockwood RD over W Outlet Kennebec Riv

Good

Somerset County, Maine · 1.3 MI S of Rockwood Tl · Structure no. 3113

Built
2000
25 years old
Condition
Good
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
153 ft
2 main spans
Daily traffic
960
2016 count
Owner
State
State Highway Agency

About this bridge

Rockwood RD over W Outlet Kennebec Riv is a steel continuous stringer/multi-beam or girder carrying Rockwood RD over W Outlet Kennebec Riv in Somerset County, Maine. It was built in 2000, so it is 25 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 960 vehicles a day, roughly 5% of them trucks, projected to reach 1,536 by 2036. The structure is 153 ft (46.6 m) long and 33 ft wide. If it were closed, the detour would be 100 mi (161 km).

Location

Open in Google Maps
CarriesRockwood RD
CrossesW Outlet Kennebec Riv
Location1.3 MI S of Rockwood Tl
RouteState Highway 6
CountySomerset County
StateMaine
Coordinates45.65206, -69.74468
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
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60.4 US tons
Inventory rating46.4 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 25 or greater
Structure length153 ft (46.6 m)
Longest span75 ft (23 m)
Deck width33 ft (10 m)
Roadway width29 ft (8.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic960 (2016)
Projected traffic1,536 by 2036
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed100 mi (161 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 Rockwood RD over W Outlet Kennebec Riv built?

It was built in 2000, making it 25 years old in 2025.

What condition is Rockwood RD over W Outlet Kennebec Riv 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 2024.

How much traffic does Rockwood RD over W Outlet Kennebec Riv carry?

About 960 vehicles per day (2016 count), of which roughly 5% are trucks.

How long is Rockwood RD over W Outlet Kennebec Riv?

The structure is 153 ft (46.6 m) long with a longest span of 75 ft (23 m) and a deck 33 ft wide.

Who owns Rockwood RD over W Outlet Kennebec Riv?

It is owned by the State Highway Agency.