US Bridges

River RD over Abagadasset River

Poor

Sagadahoc County, Maine · 4 Mi. NE 138 · Structure no. 5493

Built
1936
89 years old
Condition
Poor
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
75 ft
1 main span
Daily traffic
819
2016 count
Owner
State
State Highway Agency

About this bridge

River RD over Abagadasset River is a steel stringer/multi-beam or girder carrying River RD over Abagadasset River in Sagadahoc County, Maine. It was built in 1936, so it is 89 years old, older than the Maine average of 53.7 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 819 vehicles a day, roughly 5% of them trucks, projected to reach 1,310 by 2036. The structure is 75 ft (22.9 m) long and 26 ft wide. If it were closed, the detour would be 16.2 mi (26 km).

CarriesRiver RD
CrossesAbagadasset River
Location4 Mi. NE 138
RouteCounty Highway 24
StateMaine
Coordinates44.03271, -69.83986
Functional classRural Major Collector

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

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.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be 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 rating40 US tons
Inventory rating30.8 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length75 ft (22.9 m)
Longest span70 ft (21.3 m)
Deck width26 ft (7.8 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic819 (2016)
Projected traffic1,310 by 2036
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed16.2 mi (26 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 River RD over Abagadasset River built?

It was built in 1936, making it 89 years old in 2025.

What condition is River RD over Abagadasset River in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in September 2024.

How much traffic does River RD over Abagadasset River carry?

About 819 vehicles per day (2016 count), of which roughly 5% are trucks.

How long is River RD over Abagadasset River?

The structure is 75 ft (22.9 m) long with a longest span of 70 ft (21.3 m) and a deck 26 ft wide.

Who owns River RD over Abagadasset River?

It is owned by the State Highway Agency.