US Bridges

State Route 46 over Stubbs Brook

Fair

Hancock County, Maine · 2.7 MI N of JCT RTE US 1 · Structure no. 3561

Built
1938
87 years old
Condition
Fair
inspected August 2023
Type
Slab
Concrete
Length
30 ft
1 main span
Daily traffic
1,263
2016 count
Owner
State
State Highway Agency

About this bridge

State Route 46 over Stubbs Brook is a concrete slab carrying State Route 46 over Stubbs Brook in Hancock County, Maine. It was built in 1938, so it is 87 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 1,263 vehicles a day, roughly 5% of them trucks, projected to reach 1,895 by 2036. The structure is 30 ft (9.2 m) long and 27 ft wide. If it were closed, the detour would be 34.8 mi (56 km).

Location

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CarriesState Route 46
CrossesStubbs Brook
Location2.7 MI N of JCT RTE US 1
RouteCounty Highway 46
CountyHancock County
StateMaine
Coordinates44.60231, -68.73221
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating63.2 US tons
Inventory rating48.9 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length30 ft (9.2 m)
Longest span26 ft (7.9 m)
Deck width27 ft (8.3 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,263 (2016)
Projected traffic1,895 by 2036
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed34.8 mi (56 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 State Route 46 over Stubbs Brook built?

It was built in 1938, making it 87 years old in 2025.

What condition is State Route 46 over Stubbs Brook 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 State Route 46 over Stubbs Brook carry?

About 1,263 vehicles per day (2016 count), of which roughly 5% are trucks.

How long is State Route 46 over Stubbs Brook?

The structure is 30 ft (9.2 m) long with a longest span of 26 ft (7.9 m) and a deck 27 ft wide.

Who owns State Route 46 over Stubbs Brook?

It is owned by the State Highway Agency.