US Bridges

Penob River Br over Penobscot R & RR Yard

Fair

Penobscot County, Maine · .3MI Upstr of Josh Chamb · Structure no. 2038

Built
1997
28 years old
Condition
Fair
inspected June 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
816 ft
6 main spans
Daily traffic
24,636
2016 count
Owner
State
State Highway Agency

About this bridge

Penob River Br over Penobscot R & RR Yard is a steel continuous stringer/multi-beam or girder carrying Penob River Br over Penobscot R & RR Yard in Penobscot County, Maine. It was built in 1997, so it is 28 years old, younger than the Maine average of 53.7 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 24,636 vehicles a day, roughly 5% of them trucks, projected to reach 34,490 by 2036. The structure is 816 ft (248.6 m) long and 61 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesPenob River Br
CrossesPenobscot R & RR Yard
Location.3MI Upstr of Josh Chamb
RouteState Highway 15
StateMaine
Coordinates44.79888, -68.76404
Functional classUrban Other Principal Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating56.1 US tons
Inventory rating43.2 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans6
Design loadHS 25 or greater
Structure length816 ft (248.6 m)
Longest span188 ft (57.2 m)
Deck width61 ft (18.5 m)
Roadway width52 ft (15.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic24,636 (2016)
Projected traffic34,490 by 2036
Trucks5%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesRailroad and waterway
Detour if closed1.2 mi (2 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—
NavigationNavigation control on waterway (bridge permit required)

Frequently asked questions

When was Penob River Br over Penobscot R & RR Yard built?

It was built in 1997, making it 28 years old in 2025.

What condition is Penob River Br over Penobscot R & RR Yard in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in June 2024.

How much traffic does Penob River Br over Penobscot R & RR Yard carry?

About 24,636 vehicles per day (2016 count), of which roughly 5% are trucks.

How long is Penob River Br over Penobscot R & RR Yard?

The structure is 816 ft (248.6 m) long with a longest span of 188 ft (57.2 m) and a deck 61 ft wide.

Who owns Penob River Br over Penobscot R & RR Yard?

It is owned by the State Highway Agency.