US Bridges

Edinburg RD over Hemlock Stream

Poor

Penobscot County, Maine · 4 MI S of Edinburg · Structure no. 3735

Built
1940
85 years old
Condition
Poor
inspected July 2024
Type
Frame
Concrete
Length
28 ft
1 main span
Daily traffic
267
2016 count
Owner
State
State Highway Agency

About this bridge

Edinburg RD over Hemlock Stream is a concrete frame carrying Edinburg RD over Hemlock Stream in Penobscot County, Maine. It was built in 1940, so it is 85 years old, older 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.

It carries about 267 vehicles a day, roughly 5% of them trucks, projected to reach 427 by 2036. The structure is 28 ft (8.4 m) long and 25 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesEdinburg RD
CrossesHemlock Stream
Location4 MI S of Edinburg
RouteCounty Highway 116
CountyPenobscot County
StateMaine
Coordinates45.08528, -68.67156
Functional classRural Minor Collector

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.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment9: Superior to present desirable criteria
Operating rating38.6 US tons
Inventory rating30 US tons

Structure

Structure typeFrame
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length28 ft (8.4 m)
Longest span25 ft (7.6 m)
Deck width25 ft (7.7 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic267 (2016)
Projected traffic427 by 2036
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 Edinburg RD over Hemlock Stream built?

It was built in 1940, making it 85 years old in 2025.

What condition is Edinburg RD over Hemlock Stream 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 Edinburg RD over Hemlock Stream carry?

About 267 vehicles per day (2016 count), of which roughly 5% are trucks.

How long is Edinburg RD over Hemlock Stream?

The structure is 28 ft (8.4 m) long with a longest span of 25 ft (7.6 m) and a deck 25 ft wide.

Who owns Edinburg RD over Hemlock Stream?

It is owned by the State Highway Agency.