US Bridges

Acadia HWY over Kingdom Brook

Poor

Waldo County, Maine · 2.3 MI W of Searsmont Tl · Structure no. 5841

Built
1958
67 years old
Condition
Poor
inspected November 2024
Type
Culvert
Steel
Length
21 ft
1 main span
Daily traffic
4,173
2016 count
Owner
State
State Highway Agency

About this bridge

Acadia HWY over Kingdom Brook is a steel culvert carrying Acadia HWY over Kingdom Brook in Waldo County, Maine. It was built in 1958, so it is 67 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 4,173 vehicles a day, roughly 5% of them trucks, projected to reach 5,842 by 2036. The structure is 21 ft (6.4 m) long. If it were closed, the detour would be 100 mi (161 km).

CarriesAcadia HWY
CrossesKingdom Brook
Location2.3 MI W of Searsmont Tl
RouteState Highway 3
StateMaine
Coordinates44.40061, -69.28992
Functional classRural Principal Arterial - Other

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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating107.1 US tons
Inventory rating71.4 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans1
Design loadH 20
Structure length21 ft (6.4 m)
Longest span21 ft (6.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,173 (2016)
Projected traffic5,842 by 2036
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed100 mi (161 km)
TollOn a free road
National Highway SystemYes

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 Acadia HWY over Kingdom Brook built?

It was built in 1958, making it 67 years old in 2025.

What condition is Acadia HWY over Kingdom Brook 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 November 2024.

How much traffic does Acadia HWY over Kingdom Brook carry?

About 4,173 vehicles per day (2016 count), of which roughly 5% are trucks.

How long is Acadia HWY over Kingdom Brook?

The structure is 21 ft (6.4 m) long with a longest span of 21 ft (6.4 m).

Who owns Acadia HWY over Kingdom Brook?

It is owned by the State Highway Agency.