US Bridges

Ad Stearns RD over Mill Brook

PoorPosted for load

Oxford County, Maine · 300 Ft S RT5 · Structure no. 0794

Built
1980
45 years old
Condition
Poor
inspected May 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
24 ft
1 main span
Daily traffic
19
2016 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Ad Stearns RD over Mill Brook is a steel stringer/multi-beam or girder carrying Ad Stearns RD over Mill Brook in Oxford County, Maine. It was built in 1980, so it is 45 years old, younger 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. Its operating status is: posted for load restriction.

It carries about 19 vehicles a day, roughly 5% of them trucks, projected to reach 30 by 2036. The structure is 24 ft (7.3 m) long and 15 ft wide. If it were closed, the detour would be 100 mi (161 km).

CarriesAd Stearns RD
CrossesMill Brook
Location300 Ft S RT5
RouteCity Street 0
StateMaine
Coordinates44.24891, -70.81019
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating35.7 US tons
Inventory rating27.4 US tons

Structure

MaterialSteel
DeckCorrugated steel
Main spans1
Design loadH 20
Structure length24 ft (7.3 m)
Longest span21 ft (6.4 m)
Deck width15 ft (4.6 m)
Roadway width15 ft (4.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic19 (2016)
Projected traffic30 by 2036
Trucks5%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed100 mi (161 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerTown or Township Highway Agency
Maintained byTown or Township 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 Ad Stearns RD over Mill Brook built?

It was built in 1980, making it 45 years old in 2025.

What condition is Ad Stearns RD over Mill Brook 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 May 2024.

How much traffic does Ad Stearns RD over Mill Brook carry?

About 19 vehicles per day (2016 count), of which roughly 5% are trucks.

How long is Ad Stearns RD over Mill Brook?

The structure is 24 ft (7.3 m) long with a longest span of 21 ft (6.4 m) and a deck 15 ft wide.

Who owns Ad Stearns RD over Mill Brook?

It is owned by the Town or Township Highway Agency.