US Bridges

US 1 over Nonesuch River

Fair

Cumberland County, Maine · .3 MI S Townline · Structure no. 2671

Built
1986
39 years old
Condition
Fair
inspected May 2024
Type
Slab
Concrete
Length
28 ft
1 main span
Daily traffic
11,598
2016 count
Owner
State
State Highway Agency

About this bridge

US 1 over Nonesuch River is a concrete slab carrying US 1 over Nonesuch River in Cumberland County, Maine. It was built in 1986, so it is 39 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 11,598 vehicles a day, roughly 5% of them trucks, projected to reach 16,237 by 2036. The structure is 28 ft (8.5 m) long and 76 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesUS 1
CrossesNonesuch River
Location.3 MI S Townline
RouteState Highway 1
CountyCumberland County
StateMaine
Coordinates43.60913, -70.31358
Functional classUrban Minor Arterial

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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating30 US tons
Inventory rating23.3 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length28 ft (8.5 m)
Longest span25 ft (7.6 m)
Deck width76 ft (23.2 m)
Roadway width72 ft (22 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,598 (2016)
Projected traffic16,237 by 2036
Trucks5%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed3.1 mi (5 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 US 1 over Nonesuch River built?

It was built in 1986, making it 39 years old in 2025.

What condition is US 1 over Nonesuch River 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 May 2024.

How much traffic does US 1 over Nonesuch River carry?

About 11,598 vehicles per day (2016 count), of which roughly 5% are trucks.

How long is US 1 over Nonesuch River?

The structure is 28 ft (8.5 m) long with a longest span of 25 ft (7.6 m) and a deck 76 ft wide.

Who owns US 1 over Nonesuch River?

It is owned by the State Highway Agency.