US Bridges

Berry Mills RD over Webb River

Fair

Franklin County, Maine · JCT W Main ST & River RD · Structure no. 3425

Built
1904
121 years old, rebuilt 1936
Condition
Fair
inspected December 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
70 ft
1 main span
Daily traffic
117
2016 count
Owner
State
State Highway Agency

About this bridge

Berry Mills RD over Webb River is a steel stringer/multi-beam or girder carrying Berry Mills RD over Webb River in Franklin County, Maine. It was built in 1904 and reconstructed in 1936, so it is 121 years old, older than the Maine average of 53.7 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 117 vehicles a day, roughly 5% of them trucks, projected to reach 187 by 2036. The structure is 70 ft (21.3 m) long and 16 ft wide. If it were closed, the detour would be 100 mi (161 km).

CarriesBerry Mills RD
CrossesWebb River
LocationJCT W Main ST & River RD
RouteCity Street 0
StateMaine
Coordinates44.629, -70.44941
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating39.2 US tons
Inventory rating30.3 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length70 ft (21.3 m)
Longest span63 ft (19.2 m)
Deck width16 ft (5 m)
Roadway width16 ft (4.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic117 (2016)
Projected traffic187 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

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 Berry Mills RD over Webb River built?

It was built in 1904, making it 121 years old in 2025. It was reconstructed in 1936.

What condition is Berry Mills RD over Webb River in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in December 2024.

How much traffic does Berry Mills RD over Webb River carry?

About 117 vehicles per day (2016 count), of which roughly 5% are trucks.

How long is Berry Mills RD over Webb River?

The structure is 70 ft (21.3 m) long with a longest span of 63 ft (19.2 m) and a deck 16 ft wide.

Who owns Berry Mills RD over Webb River?

It is owned by the State Highway Agency.