US Bridges

High ST over RTE 1

Fair

Sagadahoc County, Maine · Over US1 1.5 MI E of Tl · Structure no. 3837

Built
1947
78 years old, rebuilt 1983
Condition
Fair
inspected September 2023
Type
Frame
Concrete Continuous
Length
123 ft
3 main spans
Daily traffic
7,281
2016 count
Owner
State
State Highway Agency

About this bridge

High ST over RTE 1 is a concrete continuous frame carrying High ST over RTE 1 in Sagadahoc County, Maine. It was built in 1947 and reconstructed in 1983, so it is 78 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 7,281 vehicles a day, roughly 5% of them trucks, projected to reach 10,193 by 2036. The structure is 123 ft (37.6 m) long and 43 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesHigh ST
CrossesRTE 1
LocationOver US1 1.5 MI E of Tl
RouteCounty Highway 209
StateMaine
Coordinates43.91061, -69.82019
Functional classUrban Collector

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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment8: Equal to present desirable criteria
Operating rating54.7 US tons
Inventory rating42.1 US tons

Structure

Structure typeFrame
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length123 ft (37.6 m)
Longest span41 ft (12.4 m)
Deck width43 ft (13.1 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,281 (2016)
Projected traffic10,193 by 2036
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed1.9 mi (3 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was High ST over RTE 1 built?

It was built in 1947, making it 78 years old in 2025. It was reconstructed in 1983.

What condition is High ST over RTE 1 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 September 2023.

How much traffic does High ST over RTE 1 carry?

About 7,281 vehicles per day (2016 count), of which roughly 5% are trucks.

How long is High ST over RTE 1?

The structure is 123 ft (37.6 m) long with a longest span of 41 ft (12.4 m) and a deck 43 ft wide.

Who owns High ST over RTE 1?

It is owned by the State Highway Agency.