US Bridges

Auburn RD over Nezinscot River

Good

Androscoggin County, Maine · 0.1 MI S RTE 117 · Structure no. 1037

Built
1988
37 years old
Condition
Good
inspected June 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
136 ft
1 main span
Daily traffic
13,856
2016 count
Owner
State
State Highway Agency

About this bridge

Auburn RD over Nezinscot River is a steel stringer/multi-beam or girder carrying Auburn RD over Nezinscot River in Androscoggin County, Maine. It was built in 1988, so it is 37 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 13,856 vehicles a day, roughly 5% of them trucks, projected to reach 19,398 by 2036. The structure is 136 ft (41.4 m) long and 43 ft wide. If it were closed, the detour would be 75.2 mi (121 km).

CarriesAuburn RD
CrossesNezinscot River
Location0.1 MI S RTE 117
RouteState Highway 4
StateMaine
Coordinates44.25552, -70.25914
Functional classRural Principal Arterial - Other

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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 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 rating66 US tons
Inventory rating51 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length136 ft (41.4 m)
Longest span130 ft (39.6 m)
Deck width43 ft (13 m)
Roadway width39 ft (11.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic13,856 (2016)
Projected traffic19,398 by 2036
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed75.2 mi (121 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 Nezinscot River built?

It was built in 1988, making it 37 years old in 2025.

What condition is Auburn RD over Nezinscot 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 June 2024.

How much traffic does Auburn RD over Nezinscot River carry?

About 13,856 vehicles per day (2016 count), of which roughly 5% are trucks.

How long is Auburn RD over Nezinscot River?

The structure is 136 ft (41.4 m) long with a longest span of 130 ft (39.6 m) and a deck 43 ft wide.

Who owns Auburn RD over Nezinscot River?

It is owned by the State Highway Agency.