US Bridges

BIA Route 1530 over Johnny Ayres Brook

Poor

Penobscot County, Maine · 7.53KM NE of Access Road · Structure no. 0000S50018B0013

Built
2012
13 years old
Condition
Poor
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
20 ft
1 main span
Daily traffic
30
2024 count
Owner
Federal
Bureau of Indian Affairs

About this bridge

BIA Route 1530 over Johnny Ayres Brook is a steel stringer/multi-beam or girder carrying BIA Route 1530 over Johnny Ayres Brook in Penobscot County, Maine. It was built in 2012, so it is 13 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. Its operating status is: open, posting recommended but not legally implemented.

It carries about 30 vehicles a day, roughly 50% of them trucks, projected to reach 35 by 2044. The structure is 20 ft (6.1 m) long and 16 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

CarriesBIA Route 1530
CrossesJohnny Ayres Brook
Location7.53KM NE of Access Road
RouteFederal Lands Road 1530
StateMaine
Coordinates45.44061, -68.63196
Functional classRural Local

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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, posting recommended but not legally implemented
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating17.1 US tons
Inventory rating12.8 US tons

Structure

MaterialSteel
DeckWood or timber
Main spans1
Design loadHS 20
Structure length20 ft (6.1 m)
Longest span19 ft (5.7 m)
Deck width16 ft (4.8 m)
Roadway width14 ft (4.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic30 (2024)
Projected traffic35 by 2044
Trucks50%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerBureau of Indian Affairs
Maintained byBureau of Indian Affairs
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 BIA Route 1530 over Johnny Ayres Brook built?

It was built in 2012, making it 13 years old in 2025.

What condition is BIA Route 1530 over Johnny Ayres 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 BIA Route 1530 over Johnny Ayres Brook carry?

About 30 vehicles per day (2024 count), of which roughly 50% are trucks.

How long is BIA Route 1530 over Johnny Ayres Brook?

The structure is 20 ft (6.1 m) long with a longest span of 19 ft (5.7 m) and a deck 16 ft wide.

Who owns BIA Route 1530 over Johnny Ayres Brook?

It is owned by the Bureau of Indian Affairs.