US Bridges

Intervale RD over Seven Mile Stream

Good

Franklin County, Maine · 2.1 MI Wly JCT With 4&17 · Structure no. 3801

Built
2021
4 years old
Condition
Good
inspected July 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
98 ft
1 main span
Daily traffic
2,030
2016 count
Owner
State
State Highway Agency

About this bridge

Intervale RD over Seven Mile Stream is a steel stringer/multi-beam or girder carrying Intervale RD over Seven Mile Stream in Franklin County, Maine. It was built in 2021, so it is 4 years old, younger than the Maine average of 53.7 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 2,030 vehicles a day, roughly 5% of them trucks, projected to reach 2,842 by 2036. The structure is 98 ft (30 m) long and 31 ft wide. If it were closed, the detour would be 21.1 mi (34 km).

Location

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CarriesIntervale RD
CrossesSeven Mile Stream
Location2.1 MI Wly JCT With 4&17
RouteCounty Highway 140
CountyFranklin County
StateMaine
Coordinates44.51739, -70.25156
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating67.5 US tons
Inventory rating51.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadGreater than HL 93
Structure length98 ft (30 m)
Longest span95 ft (29 m)
Deck width31 ft (9.5 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,030 (2016)
Projected traffic2,842 by 2036
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed21.1 mi (34 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 Intervale RD over Seven Mile Stream built?

It was built in 2021, making it 4 years old in 2025.

What condition is Intervale RD over Seven Mile Stream in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in July 2023.

How much traffic does Intervale RD over Seven Mile Stream carry?

About 2,030 vehicles per day (2016 count), of which roughly 5% are trucks.

How long is Intervale RD over Seven Mile Stream?

The structure is 98 ft (30 m) long with a longest span of 95 ft (29 m) and a deck 31 ft wide.

Who owns Intervale RD over Seven Mile Stream?

It is owned by the State Highway Agency.