US Bridges

Dexter RD over Sebasticook Rv Main Str

Fair

Somerset County, Maine · Cambridge-Ripley Townline · Structure no. 3250

Built
1997
28 years old
Condition
Fair
inspected September 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
76 ft
1 main span
Daily traffic
350
2016 count
Owner
State
State Highway Agency

About this bridge

Dexter RD over Sebasticook Rv Main Str is a steel stringer/multi-beam or girder carrying Dexter RD over Sebasticook Rv Main Str in Somerset County, Maine. It was built in 1997, so it is 28 years old, younger 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 6 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 350 vehicles a day, roughly 5% of them trucks, projected to reach 560 by 2036. The structure is 76 ft (23.2 m) long and 25 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

Location

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CarriesDexter RD
CrossesSebasticook Rv Main Str
LocationCambridge-Ripley Townline
RouteCounty Highway 0
CountySomerset County
StateMaine
Coordinates45.05063, -69.38923
Functional classRural Minor Collector

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
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 evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating70.3 US tons
Inventory rating54.2 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length76 ft (23.2 m)
Longest span71 ft (21.5 m)
Deck width25 ft (7.6 m)
Roadway width21 ft (6.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic350 (2016)
Projected traffic560 by 2036
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Dexter RD over Sebasticook Rv Main Str built?

It was built in 1997, making it 28 years old in 2025.

What condition is Dexter RD over Sebasticook Rv Main Str 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 September 2023.

How much traffic does Dexter RD over Sebasticook Rv Main Str carry?

About 350 vehicles per day (2016 count), of which roughly 5% are trucks.

How long is Dexter RD over Sebasticook Rv Main Str?

The structure is 76 ft (23.2 m) long with a longest span of 71 ft (21.5 m) and a deck 25 ft wide.

Who owns Dexter RD over Sebasticook Rv Main Str?

It is owned by the State Highway Agency.