US Bridges

US 1 over Little River

Fair

Washington County, Maine · .2 MI N JCT RTE 190 · Structure no. 5722

Built
1956
69 years old
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
79 ft
1 main span
Daily traffic
2,283
2016 count
Owner
State
State Highway Agency

About this bridge

US 1 over Little River is a steel stringer/multi-beam or girder carrying US 1 over Little River in Washington County, Maine. It was built in 1956, so it is 69 years old, older 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 5 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 2,283 vehicles a day, roughly 5% of them trucks, projected to reach 3,196 by 2036. The structure is 79 ft (24.2 m) long and 34 ft wide. If it were closed, the detour would be 100 mi (161 km).

Location

Open in Google Maps
CarriesUS 1
CrossesLittle River
Location.2 MI N JCT RTE 190
RouteState Highway 1
CountyWashington County
StateMaine
Coordinates44.97329, -67.07445
Functional classRural Principal Arterial - Other

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, 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 evaluation5: Somewhat better than minimum adequacy to tolerate being 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 rating55.3 US tons
Inventory rating42.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length79 ft (24.2 m)
Longest span75 ft (22.9 m)
Deck width34 ft (10.4 m)
Roadway width28 ft (8.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,283 (2016)
Projected traffic3,196 by 2036
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
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 statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNavigation control on waterway (bridge permit required)

Frequently asked questions

When was US 1 over Little River built?

It was built in 1956, making it 69 years old in 2025.

What condition is US 1 over Little 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 October 2024.

How much traffic does US 1 over Little River carry?

About 2,283 vehicles per day (2016 count), of which roughly 5% are trucks.

How long is US 1 over Little River?

The structure is 79 ft (24.2 m) long with a longest span of 75 ft (22.9 m) and a deck 34 ft wide.

Who owns US 1 over Little River?

It is owned by the State Highway Agency.