US Bridges

Hubbard RD over Keay Brook

Poor

York County, Maine · 3.0 MI N of Rochester ST · Structure no. 5730

Built
2004
21 years old
Condition
Poor
inspected July 2024
Type
Culvert
Steel
Length
32 ft
2 main spans
Daily traffic
1,610
2016 count
Owner
State
State Highway Agency

About this bridge

Hubbard RD over Keay Brook is a steel culvert carrying Hubbard RD over Keay Brook in York County, Maine. It was built in 2004, so it is 21 years old, younger 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 1,610 vehicles a day, roughly 5% of them trucks, projected to reach 2,415 by 2036. The structure is 32 ft (9.7 m) long. If it were closed, the detour would be 28 mi (45 km).

CarriesHubbard RD
CrossesKeay Brook
Location3.0 MI N of Rochester ST
RouteCounty Highway 0
StateMaine
Coordinates43.31679, -70.90376
Functional classRural Minor 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
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionJuly 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating47.5 US tons
Inventory rating36.8 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans2
Design loadH 20
Structure length32 ft (9.7 m)
Longest span14 ft (4.2 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,610 (2016)
Projected traffic2,415 by 2036
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed28 mi (45 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 Hubbard RD over Keay Brook built?

It was built in 2004, making it 21 years old in 2025.

What condition is Hubbard RD over Keay 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 July 2024.

How much traffic does Hubbard RD over Keay Brook carry?

About 1,610 vehicles per day (2016 count), of which roughly 5% are trucks.

How long is Hubbard RD over Keay Brook?

The structure is 32 ft (9.7 m) long with a longest span of 14 ft (4.2 m).

Who owns Hubbard RD over Keay Brook?

It is owned by the State Highway Agency.