US Bridges

Mount Auburn Av over RTE 4

Good

Androscoggin County, Maine · JCT Center Street · Structure no. 6385

Built
2001
24 years old
Condition
Good
inspected October 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
124 ft
1 main span
Daily traffic
14,576
2016 count
Owner
State
State Highway Agency

About this bridge

Mount Auburn Av over RTE 4 is a prestressed concrete stringer/multi-beam or girder carrying Mount Auburn Av over RTE 4 in Androscoggin County, Maine. It was built in 2001, so it is 24 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 14,576 vehicles a day, roughly 7% of them trucks, projected to reach 20,406 by 2036. The structure is 124 ft (37.7 m) long and 43 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesMount Auburn Av
CrossesRTE 4
LocationJCT Center Street
RouteState Highway 0
CountyAndroscoggin County
StateMaine
Coordinates44.12052, -70.22528
Functional classUrban Principal Arterial - Other Freeway or Expressway

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.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating66.8 US tons
Inventory rating51.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadGreater than HL 93
Structure length124 ft (37.7 m)
Longest span117 ft (35.8 m)
Deck width43 ft (13.1 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic14,576 (2016)
Projected traffic20,406 by 2036
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Mount Auburn Av over RTE 4 built?

It was built in 2001, making it 24 years old in 2025.

What condition is Mount Auburn Av over RTE 4 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 Mount Auburn Av over RTE 4 carry?

About 14,576 vehicles per day (2016 count), of which roughly 7% are trucks.

How long is Mount Auburn Av over RTE 4?

The structure is 124 ft (37.7 m) long with a longest span of 117 ft (35.8 m) and a deck 43 ft wide.

Who owns Mount Auburn Av over RTE 4?

It is owned by the State Highway Agency.