US Bridges

Peltoma Av over Sebasticook River

Fair

Somerset County, Maine · 3.0 MI SE of RTE 11 & 100 · Structure no. 3435

Built
1961
64 years old
Condition
Fair
inspected April 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
264 ft
4 main spans
Daily traffic
876
2016 count
Owner
State
State Highway Agency

About this bridge

Peltoma Av over Sebasticook River is a steel continuous stringer/multi-beam or girder carrying Peltoma Av over Sebasticook River in Somerset County, Maine. It was built in 1961, so it is 64 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 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 876 vehicles a day, roughly 5% of them trucks, projected to reach 1,402 by 2036. The structure is 264 ft (80.6 m) long and 29 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

Location

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CarriesPeltoma Av
CrossesSebasticook River
Location3.0 MI SE of RTE 11 & 100
RouteCity Street 0
CountySomerset County
StateMaine
Coordinates44.75016, -69.34324
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating34.6 US tons
Inventory rating26.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadH 20
Structure length264 ft (80.6 m)
Longest span73 ft (22.4 m)
Deck width29 ft (8.8 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic876 (2016)
Projected traffic1,402 by 2036
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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 Peltoma Av over Sebasticook River built?

It was built in 1961, making it 64 years old in 2025.

What condition is Peltoma Av over Sebasticook 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 April 2024.

How much traffic does Peltoma Av over Sebasticook River carry?

About 876 vehicles per day (2016 count), of which roughly 5% are trucks.

How long is Peltoma Av over Sebasticook River?

The structure is 264 ft (80.6 m) long with a longest span of 73 ft (22.4 m) and a deck 29 ft wide.

Who owns Peltoma Av over Sebasticook River?

It is owned by the State Highway Agency.