US Bridges

East Branch Road over Big Spring Brook

PoorClosed to traffic

Penobscot County, Maine · 4.1 Miles South of Grand · Structure no. 1709033P0000000

Built
2000
25 years old
Condition
Poor
inspected May 2024
Type
Box Beam or Girders - Multiple
Steel
Length
24 ft
1 main span
Daily traffic
2
2024 count
Owner
Federal
National Park Service

About this bridge

East Branch Road over Big Spring Brook is a steel box beam or girders - multiple carrying East Branch Road over Big Spring Brook in Penobscot County, Maine. It was built in 2000, so it is 25 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 1 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: closed to all traffic.

It carries about 2 vehicles a day, projected to reach 10 by 2044. The structure is 24 ft (7.3 m) long and 8 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesEast Branch Road
CrossesBig Spring Brook
Location4.1 Miles South of Grand
RouteFederal Lands Road 0
StateMaine
Coordinates46.03337, -68.78072
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
Deck1 Imminent FailureMajor deterioration or section loss present in critical structural components. Bridge is closed to traffic but corrective action may put it back in light service.
Superstructure1 Imminent FailureMajor deterioration or section loss present in critical structural components. Bridge is closed to traffic but corrective action may put it back in light service.
Substructure1 Imminent FailureMajor deterioration or section loss present in critical structural components. Bridge is closed to traffic but corrective action may put it back in light service.
Channel and channel protection3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusClosed to all traffic
ScourScour critical; bridge has failed and is closed
Structural evaluation0: Immediate repair necessary to put back in service
Deck geometry0: Immediate repair necessary to put back in service
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating0 US tons
Inventory rating0 US tons

Structure

MaterialSteel
DeckWood or timber
Main spans1
Design loadUnknown
Structure length24 ft (7.3 m)
Longest span21 ft (6.5 m)
Deck width8 ft (2.4 m)
Roadway width8 ft (2.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2 (2024)
Projected traffic10 by 2044
Trucks0%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerNational Park Service
Maintained byNational Park Service
Historic statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was East Branch Road over Big Spring Brook built?

It was built in 2000, making it 25 years old in 2025.

What condition is East Branch Road over Big Spring 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 May 2024.

How much traffic does East Branch Road over Big Spring Brook carry?

About 2 vehicles per day (2024 count).

How long is East Branch Road over Big Spring Brook?

The structure is 24 ft (7.3 m) long with a longest span of 21 ft (6.5 m) and a deck 8 ft wide.

Who owns East Branch Road over Big Spring Brook?

It is owned by the National Park Service.