US Bridges

I 95 SB over Salmon Stream

Fair

Penobscot County, Maine · 2.1 Mi. S. of Medway T.L. · Structure no. 1409

Built
1976
49 years old
Condition
Fair
inspected September 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
81 ft
1 main span
Daily traffic
2,470
2016 count
Owner
State
State Highway Agency

About this bridge

I 95 SB over Salmon Stream is a steel stringer/multi-beam or girder carrying I 95 SB over Salmon Stream in Penobscot County, Maine. It was built in 1976, so it is 49 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 2,470 vehicles a day, roughly 5% of them trucks, projected to reach 3,458 by 2036. The structure is 81 ft (24.7 m) long and 45 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesI 95 SB
CrossesSalmon Stream
Location2.1 Mi. S. of Medway T.L.
RouteState Highway 95
CountyPenobscot County
StateMaine
Coordinates45.63923, -68.5005
Functional classRural Principal Arterial - Interstate

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.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating77.8 US tons
Inventory rating60 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length81 ft (24.7 m)
Longest span75 ft (22.9 m)
Deck width45 ft (13.7 m)
Roadway width41 ft (12.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,470 (2016)
Projected traffic3,458 by 2036
Trucks5%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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 I 95 SB over Salmon Stream built?

It was built in 1976, making it 49 years old in 2025.

What condition is I 95 SB over Salmon 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 September 2023.

How much traffic does I 95 SB over Salmon Stream carry?

About 2,470 vehicles per day (2016 count), of which roughly 5% are trucks.

How long is I 95 SB over Salmon Stream?

The structure is 81 ft (24.7 m) long with a longest span of 75 ft (22.9 m) and a deck 45 ft wide.

Who owns I 95 SB over Salmon Stream?

It is owned by the State Highway Agency.