US Bridges

Bridge ST over Androscoggin River

Poor

Oxford County, Maine · Adj to JCT Nirth ST · Structure no. 5084

Built
1921
104 years old, rebuilt 1991
Condition
Poor
inspected October 2024
Type
Truss - Thru
Steel
Length
184 ft
1 main span
Daily traffic
114
2016 count
Owner
State
State Highway Agency

About this bridge

Bridge ST over Androscoggin River is a steel truss - thru carrying Bridge ST over Androscoggin River in Oxford County, Maine. It was built in 1921 and reconstructed in 1991, so it is 104 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 114 vehicles a day, roughly 5% of them trucks, projected to reach 182 by 2036. The structure is 184 ft (56.1 m) long and 17 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesBridge ST
CrossesAndroscoggin River
LocationAdj to JCT Nirth ST
RouteCity Street 0
StateMaine
Coordinates44.39838, -70.97157
Functional classRural Local

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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2024
Inspection intervalevery 12 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
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating32.5 US tons
Inventory rating25 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckConcrete, cast-in-place
Main spans1 (+1 approach)
Design loadHS 15
Structure length184 ft (56.1 m)
Longest span156 ft (47.5 m)
Deck width17 ft (5.1 m)
Roadway width15 ft (4.6 m)
Vertical clearance over deck14 ft (4.3 m)

Traffic and service

Average daily traffic114 (2016)
Projected traffic182 by 2036
Trucks5%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway and pedestrian
CrossesWaterway
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 statusEligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Bridge ST over Androscoggin River built?

It was built in 1921, making it 104 years old in 2025. It was reconstructed in 1991.

What condition is Bridge ST over Androscoggin River 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 October 2024.

How much traffic does Bridge ST over Androscoggin River carry?

About 114 vehicles per day (2016 count), of which roughly 5% are trucks.

How long is Bridge ST over Androscoggin River?

The structure is 184 ft (56.1 m) long with a longest span of 156 ft (47.5 m) and a deck 17 ft wide.

Who owns Bridge ST over Androscoggin River?

It is owned by the State Highway Agency.