US Bridges

Tannery RD over Passadumkeag Str

Good

Penobscot County, Maine · .7 MI E Townline · Structure no. 3527

Built
1937
88 years old, rebuilt 2017
Condition
Good
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
54 ft
1 main span
Daily traffic
28
2016 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Tannery RD over Passadumkeag Str is a steel stringer/multi-beam or girder carrying Tannery RD over Passadumkeag Str in Penobscot County, Maine. It was built in 1937 and reconstructed in 2017, so it is 88 years old, older than the Maine average of 53.7 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 28 vehicles a day, roughly 5% of them trucks, projected to reach 45 by 2036. The structure is 54 ft (16.6 m) long and 15 ft wide. If it were closed, the detour would be 13 mi (21 km).

CarriesTannery RD
CrossesPassadumkeag Str
Location.7 MI E Townline
RouteCity Street 0
StateMaine
Coordinates45.18622, -68.46592
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating64.6 US tons
Inventory rating50 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadGreater than HL 93
Structure length54 ft (16.6 m)
Longest span52 ft (15.7 m)
Deck width15 ft (4.6 m)
Roadway width14 ft (4.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic28 (2016)
Projected traffic45 by 2036
Trucks5%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed13 mi (21 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerTown or Township Highway Agency
Maintained byTown or Township 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 Tannery RD over Passadumkeag Str built?

It was built in 1937, making it 88 years old in 2025. It was reconstructed in 2017.

What condition is Tannery RD over Passadumkeag Str in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in October 2024.

How much traffic does Tannery RD over Passadumkeag Str carry?

About 28 vehicles per day (2016 count), of which roughly 5% are trucks.

How long is Tannery RD over Passadumkeag Str?

The structure is 54 ft (16.6 m) long with a longest span of 52 ft (15.7 m) and a deck 15 ft wide.

Who owns Tannery RD over Passadumkeag Str?

It is owned by the Town or Township Highway Agency.