US Bridges

State Route 46 over Moosehorn Creek

Poor

Hancock County, Maine · 6.5 MI N of JCT US RTE 1 · Structure no. 3279

Built
1935
90 years old
Condition
Poor
inspected August 2023
Type
Tee Beam
Concrete
Length
34 ft
1 main span
Daily traffic
1,716
2016 count
Owner
State
State Highway Agency

About this bridge

State Route 46 over Moosehorn Creek is a concrete tee beam carrying State Route 46 over Moosehorn Creek in Hancock County, Maine. It was built in 1935, so it is 90 years old, older than the Maine average of 53.7 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 1,716 vehicles a day, roughly 5% of them trucks, projected to reach 2,574 by 2036. The structure is 34 ft (10.4 m) long and 27 ft wide. If it were closed, the detour would be 31.1 mi (50 km).

CarriesState Route 46
CrossesMoosehorn Creek
Location6.5 MI N of JCT US RTE 1
RouteCounty Highway 46
StateMaine
Coordinates44.64284, -68.69518
Functional classRural Major Collector

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 above top of footing
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 adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating55 US tons
Inventory rating42.5 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length34 ft (10.4 m)
Longest span30 ft (9.1 m)
Deck width27 ft (8.3 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,716 (2016)
Projected traffic2,574 by 2036
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed31.1 mi (50 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 Moosehorn Creek built?

It was built in 1935, making it 90 years old in 2025.

What condition is State Route 46 over Moosehorn Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in August 2023.

How much traffic does State Route 46 over Moosehorn Creek carry?

About 1,716 vehicles per day (2016 count), of which roughly 5% are trucks.

How long is State Route 46 over Moosehorn Creek?

The structure is 34 ft (10.4 m) long with a longest span of 30 ft (9.1 m) and a deck 27 ft wide.

Who owns State Route 46 over Moosehorn Creek?

It is owned by the State Highway Agency.