US Bridges

Main ST over Dennys River

Good

Washington County, Maine · 2 MI E Townline · Structure no. 3736

Built
2016
9 years old
Condition
Good
inspected June 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
84 ft
1 main span
Daily traffic
930
2013 count
Owner
State
State Highway Agency

About this bridge

Main ST over Dennys River is a steel stringer/multi-beam or girder carrying Main ST over Dennys River in Washington County, Maine. It was built in 2016, so it is 9 years old, younger than the Maine average of 53.7 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 930 vehicles a day, roughly 20% of them trucks, projected to reach 1,120 by 2033. The structure is 84 ft (25.6 m) long and 32 ft wide. If it were closed, the detour would be 31.7 mi (51 km).

CarriesMain ST
CrossesDennys River
Location2 MI E Townline
RouteCounty Highway 191
StateMaine
Coordinates45.03842, -67.35759
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating67.5 US tons
Inventory rating52.1 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadGreater than HL 93
Structure length84 ft (25.6 m)
Longest span78 ft (23.8 m)
Deck width32 ft (9.8 m)
Roadway width29 ft (8.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic930 (2013)
Projected traffic1,120 by 2033
Trucks20%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed31.7 mi (51 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 Main ST over Dennys River built?

It was built in 2016, making it 9 years old in 2025.

What condition is Main ST over Dennys River in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in June 2024.

How much traffic does Main ST over Dennys River carry?

About 930 vehicles per day (2013 count), of which roughly 20% are trucks.

How long is Main ST over Dennys River?

The structure is 84 ft (25.6 m) long with a longest span of 78 ft (23.8 m) and a deck 32 ft wide.

Who owns Main ST over Dennys River?

It is owned by the State Highway Agency.