US Bridges

Medway RD over Salmon Stream

Poor

Penobscot County, Maine · 2.7 Mi.E. I-95 · Structure no. 2738

Built
1939
86 years old
Condition
Poor
inspected October 2024
Type
Tee Beam
Concrete
Length
44 ft
1 main span
Daily traffic
882
2016 count
Owner
State
State Highway Agency

About this bridge

Medway RD over Salmon Stream is a concrete tee beam carrying Medway RD over Salmon Stream in Penobscot County, Maine. It was built in 1939, so it is 86 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 882 vehicles a day, roughly 5% of them trucks, projected to reach 1,411 by 2036. The structure is 44 ft (13.4 m) long and 27 ft wide. If it were closed, the detour would be 11.2 mi (18 km).

Location

Open in Google Maps
CarriesMedway RD
CrossesSalmon Stream
Location2.7 Mi.E. I-95
RouteState Highway 157
CountyPenobscot County
StateMaine
Coordinates45.59986, -68.46829
Functional classRural Major 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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 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 adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating40.3 US tons
Inventory rating31.1 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length44 ft (13.4 m)
Longest span41 ft (12.4 m)
Deck width27 ft (8.2 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic882 (2016)
Projected traffic1,411 by 2036
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.2 mi (18 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 Medway RD over Salmon Stream built?

It was built in 1939, making it 86 years old in 2025.

What condition is Medway RD over Salmon 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 October 2024.

How much traffic does Medway RD over Salmon Stream carry?

About 882 vehicles per day (2016 count), of which roughly 5% are trucks.

How long is Medway RD over Salmon Stream?

The structure is 44 ft (13.4 m) long with a longest span of 41 ft (12.4 m) and a deck 27 ft wide.

Who owns Medway RD over Salmon Stream?

It is owned by the State Highway Agency.