US Bridges

Emerson Mill RD over Souadabscook Stream

Fair

Penobscot County, Maine · .5MI. So. Townline · Structure no. 5108

Built
1990
35 years old
Condition
Fair
inspected August 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
79 ft
1 main span
Daily traffic
2,360
2016 count
Owner
State
State Highway Agency

About this bridge

Emerson Mill RD over Souadabscook Stream is a steel stringer/multi-beam or girder carrying Emerson Mill RD over Souadabscook Stream in Penobscot County, Maine. It was built in 1990, so it is 35 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 2,360 vehicles a day, roughly 5% of them trucks, projected to reach 3,304 by 2036. The structure is 79 ft (24.2 m) long and 34 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesEmerson Mill RD
CrossesSouadabscook Stream
Location.5MI. So. Townline
RouteCity Street 0
CountyPenobscot County
StateMaine
Coordinates44.76377, -68.87362
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 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 alignment7: Better than present minimum criteria
Operating rating51 US tons
Inventory rating39.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length79 ft (24.2 m)
Longest span74 ft (22.6 m)
Deck width34 ft (10.3 m)
Roadway width30 ft (9.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,360 (2016)
Projected traffic3,304 by 2036
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Emerson Mill RD over Souadabscook Stream built?

It was built in 1990, making it 35 years old in 2025.

What condition is Emerson Mill RD over Souadabscook Stream 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 August 2024.

How much traffic does Emerson Mill RD over Souadabscook Stream carry?

About 2,360 vehicles per day (2016 count), of which roughly 5% are trucks.

How long is Emerson Mill RD over Souadabscook Stream?

The structure is 79 ft (24.2 m) long with a longest span of 74 ft (22.6 m) and a deck 34 ft wide.

Who owns Emerson Mill RD over Souadabscook Stream?

It is owned by the State Highway Agency.