US Bridges

Kennebago RD over South Branch Dead River

Good

Franklin County, Maine · 1.2 MI NW of Route 16 · Structure no. 3882

Built
1990
35 years old
Condition
Good
inspected November 2023
Type
Slab
Prestressed Concrete
Length
109 ft
2 main spans
Daily traffic
57
2016 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Kennebago RD over South Branch Dead River is a prestressed concrete slab carrying Kennebago RD over South Branch Dead River in Franklin County, Maine. It was built in 1990, so it is 35 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 57 vehicles a day, roughly 5% of them trucks, projected to reach 91 by 2036. The structure is 109 ft (33.1 m) long and 28 ft wide. If it were closed, the detour would be 100 mi (161 km).

CarriesKennebago RD
CrossesSouth Branch Dead River
Location1.2 MI NW of Route 16
RouteCity Street 0
StateMaine
Coordinates45.10496, -70.52542
Functional classRural Local

Condition and inspection

Good

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than 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 rating52.9 US tons
Inventory rating40.7 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans2
Design loadHS 25 or greater
Structure length109 ft (33.1 m)
Longest span53 ft (16.2 m)
Deck width28 ft (8.5 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic57 (2016)
Projected traffic91 by 2036
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed100 mi (161 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerTown or Township Highway Agency
Maintained byTown or Township Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Kennebago RD over South Branch Dead River built?

It was built in 1990, making it 35 years old in 2025.

What condition is Kennebago RD over South Branch Dead River 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 November 2023.

How much traffic does Kennebago RD over South Branch Dead River carry?

About 57 vehicles per day (2016 count), of which roughly 5% are trucks.

How long is Kennebago RD over South Branch Dead River?

The structure is 109 ft (33.1 m) long with a longest span of 53 ft (16.2 m) and a deck 28 ft wide.

Who owns Kennebago RD over South Branch Dead River?

It is owned by the Town or Township Highway Agency.