US Bridges

Ripley RD over Main Stream

Fair

Somerset County, Maine · 2.5 MI E JCT 150 · Structure no. 5126

Built
1987
38 years old
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
100 ft
1 main span
Daily traffic
504
2016 count
Owner
State
State Highway Agency

About this bridge

Ripley RD over Main Stream is a steel stringer/multi-beam or girder carrying Ripley RD over Main Stream in Somerset County, Maine. It was built in 1987, so it is 38 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 504 vehicles a day, roughly 5% of them trucks, projected to reach 806 by 2036. The structure is 100 ft (30.6 m) long and 35 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesRipley RD
CrossesMain Stream
Location2.5 MI E JCT 150
RouteCounty Highway 154
CountySomerset County
StateMaine
Coordinates44.96995, -69.50452
Functional classRural Major 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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating51.8 US tons
Inventory rating40 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length100 ft (30.6 m)
Longest span95 ft (29 m)
Deck width35 ft (10.6 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic504 (2016)
Projected traffic806 by 2036
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 Main Stream built?

It was built in 1987, making it 38 years old in 2025.

What condition is Ripley RD over Main Stream 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 July 2024.

How much traffic does Ripley RD over Main Stream carry?

About 504 vehicles per day (2016 count), of which roughly 5% are trucks.

How long is Ripley RD over Main Stream?

The structure is 100 ft (30.6 m) long with a longest span of 95 ft (29 m) and a deck 35 ft wide.

Who owns Ripley RD over Main Stream?

It is owned by the State Highway Agency.