US Bridges

Hunnewell Av over Sebasticook River

Fair

Somerset County, Maine · 0.2 MI Ely JCT 11 & 100 · Structure no. 5778

Built
1960
65 years old
Condition
Fair
inspected August 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
108 ft
2 main spans
Daily traffic
1,681
2016 count
Owner
State
State Highway Agency

About this bridge

Hunnewell Av over Sebasticook River is a steel stringer/multi-beam or girder carrying Hunnewell Av over Sebasticook River in Somerset County, Maine. It was built in 1960, so it is 65 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 5 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 1,681 vehicles a day, roughly 5% of them trucks, projected to reach 2,522 by 2036. The structure is 108 ft (33 m) long and 38 ft wide.

Location

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CarriesHunnewell Av
CrossesSebasticook River
Location0.2 MI Ely JCT 11 & 100
RouteCounty Highway 69
CountySomerset County
StateMaine
Coordinates44.78264, -69.37886
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating72.1 US tons
Inventory rating55.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans2
Design loadH 20
Structure length108 ft (33 m)
Longest span52 ft (15.9 m)
Deck width38 ft (11.7 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,681 (2016)
Projected traffic2,522 by 2036
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed—
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 Hunnewell Av over Sebasticook River built?

It was built in 1960, making it 65 years old in 2025.

What condition is Hunnewell 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 August 2023.

How much traffic does Hunnewell Av over Sebasticook River carry?

About 1,681 vehicles per day (2016 count), of which roughly 5% are trucks.

How long is Hunnewell Av over Sebasticook River?

The structure is 108 ft (33 m) long with a longest span of 52 ft (15.9 m) and a deck 38 ft wide.

Who owns Hunnewell Av over Sebasticook River?

It is owned by the State Highway Agency.