US Bridges

Poplar ST over Mud Pond Inlet

Fair

Penobscot County, Maine · 2 MI E Townline · Structure no. 2593

Built
1933
92 years old, rebuilt 2001
Condition
Fair
inspected November 2024
Type
Slab
Prestressed Concrete
Length
705 ft
2 main spans
Daily traffic
1,153
2016 count
Owner
State
State Highway Agency

About this bridge

Poplar ST over Mud Pond Inlet is a prestressed concrete slab carrying Poplar ST over Mud Pond Inlet in Penobscot County, Maine. It was built in 1933 and reconstructed in 2001, so it is 92 years old, older 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 5 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 1,153 vehicles a day, roughly 5% of them trucks, projected to reach 1,730 by 2036. The structure is 705 ft (214.9 m) long and 27 ft wide. If it were closed, the detour would be 100 mi (161 km).

CarriesPoplar ST
CrossesMud Pond Inlet
Location2 MI E Townline
RouteCity Street 0
StateMaine
Coordinates44.94278, -68.76975
Functional classRural Local

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating80.7 US tons
Inventory rating62.2 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2 (+63 approach)
Design loadHS 25 or greater
Structure length705 ft (214.9 m)
Longest span11 ft (3.4 m)
Deck width27 ft (8.2 m)
Roadway width23 ft (6.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,153 (2016)
Projected traffic1,730 by 2036
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed100 mi (161 km)
TollOn a free road
National Highway SystemNo

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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Poplar ST over Mud Pond Inlet built?

It was built in 1933, making it 92 years old in 2025. It was reconstructed in 2001.

What condition is Poplar ST over Mud Pond Inlet 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 November 2024.

How much traffic does Poplar ST over Mud Pond Inlet carry?

About 1,153 vehicles per day (2016 count), of which roughly 5% are trucks.

How long is Poplar ST over Mud Pond Inlet?

The structure is 705 ft (214.9 m) long with a longest span of 11 ft (3.4 m) and a deck 27 ft wide.

Who owns Poplar ST over Mud Pond Inlet?

It is owned by the State Highway Agency.