US Bridges

US 1 Byp over Dennett RD

Good

York County, Maine · RTE 1 Bypass · Structure no. 1362

Built
2010
15 years old
Condition
Good
inspected December 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
75 ft
1 main span
Daily traffic
4,293
2016 count
Owner
State
State Highway Agency

About this bridge

US 1 Byp over Dennett RD is a prestressed concrete stringer/multi-beam or girder carrying US 1 Byp over Dennett RD in York County, Maine. It was built in 2010, so it is 15 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 4,293 vehicles a day, roughly 5% of them trucks, projected to reach 6,010 by 2036. The structure is 75 ft (22.8 m) long and 68 ft wide. If it were closed, the detour would be 100 mi (161 km).

CarriesUS 1 Byp
CrossesDennett RD
LocationRTE 1 Bypass
RouteState Highway 1
StateMaine
Coordinates43.09314, -70.7538
Functional classUrban Principal Arterial - Other Freeway or Expressway

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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating50.7 US tons
Inventory rating38.9 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadGreater than HL 93
Structure length75 ft (22.8 m)
Longest span72 ft (21.9 m)
Deck width68 ft (20.7 m)
Roadway width61 ft (18.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,293 (2016)
Projected traffic6,010 by 2036
Trucks5%
Lanes on structure4
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed100 mi (161 km)
TollOn a free road
National Highway SystemYes

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 US 1 Byp over Dennett RD built?

It was built in 2010, making it 15 years old in 2025.

What condition is US 1 Byp over Dennett RD 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 December 2023.

How much traffic does US 1 Byp over Dennett RD carry?

About 4,293 vehicles per day (2016 count), of which roughly 5% are trucks.

How long is US 1 Byp over Dennett RD?

The structure is 75 ft (22.8 m) long with a longest span of 72 ft (21.9 m) and a deck 68 ft wide.

Who owns US 1 Byp over Dennett RD?

It is owned by the State Highway Agency.