US Bridges

Dexter RD over Ferguson Stream

Poor

Somerset County, Maine · .2 MI E JCT 150 · Structure no. 3291

Built
1939
86 years old
Condition
Poor
inspected September 2023
Type
Tee Beam
Concrete
Length
31 ft
1 main span
Daily traffic
250
2016 count
Owner
State
State Highway Agency

About this bridge

Dexter RD over Ferguson Stream is a concrete tee beam carrying Dexter RD over Ferguson Stream in Somerset County, Maine. It was built in 1939, so it is 86 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 250 vehicles a day, roughly 5% of them trucks, projected to reach 400 by 2036. The structure is 31 ft (9.4 m) long and 25 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesDexter RD
CrossesFerguson Stream
Location.2 MI E JCT 150
RouteCounty Highway 0
CountySomerset County
StateMaine
Coordinates45.02564, -69.47065
Functional classRural Minor 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.
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being 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 alignment8: Equal to present desirable criteria
Operating rating39.7 US tons
Inventory rating30.8 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length31 ft (9.4 m)
Longest span25 ft (7.6 m)
Deck width25 ft (7.6 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic250 (2016)
Projected traffic400 by 2036
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 Dexter RD over Ferguson Stream built?

It was built in 1939, making it 86 years old in 2025.

What condition is Dexter 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 Dexter RD over Ferguson Stream carry?

About 250 vehicles per day (2016 count), of which roughly 5% are trucks.

How long is Dexter RD over Ferguson Stream?

The structure is 31 ft (9.4 m) long with a longest span of 25 ft (7.6 m) and a deck 25 ft wide.

Who owns Dexter RD over Ferguson Stream?

It is owned by the State Highway Agency.