US Bridges

Center Bridge RD over Androscoggin River

Good

Androscoggin County, Maine · 2.2 MI Ely RTE 117 · Structure no. 3426

Built
2014
11 years old
Condition
Good
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
488 ft
2 main spans
Daily traffic
2,631
2016 count
Owner
State
State Highway Agency

About this bridge

Center Bridge RD over Androscoggin River is a steel stringer/multi-beam or girder carrying Center Bridge RD over Androscoggin River in Androscoggin County, Maine. It was built in 2014, so it is 11 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 2,631 vehicles a day, roughly 5% of them trucks, projected to reach 3,683 by 2036. The structure is 488 ft (148.6 m) long and 32 ft wide. If it were closed, the detour would be 23 mi (37 km).

Location

Open in Google Maps
CarriesCenter Bridge RD
CrossesAndroscoggin River
Location2.2 MI Ely RTE 117
RouteCounty Highway 0
CountyAndroscoggin County
StateMaine
Coordinates44.25634, -70.17962
Functional classRural Minor 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 inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating65.4 US tons
Inventory rating50.4 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans2
Design loadGreater than HL 93
Structure length488 ft (148.6 m)
Longest span240 ft (73.2 m)
Deck width32 ft (9.8 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deck0 ft (0 m)

Traffic and service

Average daily traffic2,631 (2016)
Projected traffic3,683 by 2036
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed23 mi (37 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 Center Bridge RD over Androscoggin River built?

It was built in 2014, making it 11 years old in 2025.

What condition is Center Bridge RD over Androscoggin River 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 July 2024.

How much traffic does Center Bridge RD over Androscoggin River carry?

About 2,631 vehicles per day (2016 count), of which roughly 5% are trucks.

How long is Center Bridge RD over Androscoggin River?

The structure is 488 ft (148.6 m) long with a longest span of 240 ft (73.2 m) and a deck 32 ft wide.

Who owns Center Bridge RD over Androscoggin River?

It is owned by the State Highway Agency.