US Bridges

Auburn RD over Martin Stream

Poor

Androscoggin County, Maine · 0.1 MI S of JCT RTE 219 · Structure no. 3480

Built
1970
55 years old, rebuilt 1991
Condition
Poor
inspected July 2024
Type
Culvert
Steel
Length
34 ft
2 main spans
Daily traffic
9,883
2016 count
Owner
State
State Highway Agency

About this bridge

Auburn RD over Martin Stream is a steel culvert carrying Auburn RD over Martin Stream in Androscoggin County, Maine. It was built in 1970 and reconstructed in 1991, so it is 55 years old, older than the Maine average of 53.7 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 9,883 vehicles a day, roughly 5% of them trucks, projected to reach 13,836 by 2036. The structure is 34 ft (10.4 m) long. If it were closed, the detour would be 54.1 mi (87 km).

Location

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CarriesAuburn RD
CrossesMartin Stream
Location0.1 MI S of JCT RTE 219
RouteState Highway 4
CountyAndroscoggin County
StateMaine
Coordinates44.34161, -70.25603
Functional classRural Principal Arterial - Other

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating106.8 US tons
Inventory rating71.1 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans2
Design loadH 20
Structure length34 ft (10.4 m)
Longest span14 ft (4.3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,883 (2016)
Projected traffic13,836 by 2036
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed54.1 mi (87 km)
TollOn a free road
National Highway SystemYes

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 Auburn RD over Martin Stream built?

It was built in 1970, making it 55 years old in 2025. It was reconstructed in 1991.

What condition is Auburn RD over Martin Stream in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in July 2024.

How much traffic does Auburn RD over Martin Stream carry?

About 9,883 vehicles per day (2016 count), of which roughly 5% are trucks.

How long is Auburn RD over Martin Stream?

The structure is 34 ft (10.4 m) long with a longest span of 14 ft (4.3 m).

Who owns Auburn RD over Martin Stream?

It is owned by the State Highway Agency.