US Bridges

Ripley RD over Ferguson Stream

Poor

Somerset County, Maine · 0.4 MI Ely of JCT 150 · Structure no. 3583

Built
1938
87 years old
Condition
Poor
inspected September 2023
Type
Frame
Concrete
Length
23 ft
1 main span
Daily traffic
335
2016 count
Owner
State
State Highway Agency

About this bridge

Ripley RD over Ferguson Stream is a concrete frame carrying Ripley RD over Ferguson Stream in Somerset County, Maine. It was built in 1938, so it is 87 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 335 vehicles a day, roughly 5% of them trucks, projected to reach 536 by 2036. The structure is 23 ft (6.9 m) long and 25 ft wide. If it were closed, the detour would be 13 mi (21 km).

Location

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CarriesRipley RD
CrossesFerguson Stream
Location0.4 MI Ely of JCT 150
RouteCounty Highway 152
CountySomerset County
StateMaine
Coordinates45.02294, -69.46498
Functional classRural Major Collector

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
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
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 protection7 GoodSome minor problems.
Last inspectionSeptember 2023
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
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating39.2 US tons
Inventory rating30.3 US tons

Structure

Structure typeFrame
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length23 ft (6.9 m)
Longest span20 ft (6.1 m)
Deck width25 ft (7.6 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic335 (2016)
Projected traffic536 by 2036
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed13 mi (21 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 Ripley RD over Ferguson Stream built?

It was built in 1938, making it 87 years old in 2025.

What condition is Ripley RD over Ferguson 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 September 2023.

How much traffic does Ripley RD over Ferguson Stream carry?

About 335 vehicles per day (2016 count), of which roughly 5% are trucks.

How long is Ripley RD over Ferguson Stream?

The structure is 23 ft (6.9 m) long with a longest span of 20 ft (6.1 m) and a deck 25 ft wide.

Who owns Ripley RD over Ferguson Stream?

It is owned by the State Highway Agency.