US Bridges

Bay RD over Cathance River

Fair

Sagadahoc County, Maine · 0.2 MI SB of JCT RTE 125 · Structure no. 5190

Built
1953
72 years old
Condition
Fair
inspected December 2024
Type
Truss - Thru
Steel
Length
156 ft
1 main span
Daily traffic
1,732
2016 count
Owner
State
State Highway Agency

About this bridge

Bay RD over Cathance River is a steel truss - thru carrying Bay RD over Cathance River in Sagadahoc County, Maine. It was built in 1953, so it is 72 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 1,732 vehicles a day, roughly 5% of them trucks, projected to reach 2,598 by 2036. The structure is 156 ft (47.5 m) long and 26 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesBay RD
CrossesCathance River
Location0.2 MI SB of JCT RTE 125
RouteCounty Highway 24
CountySagadahoc County
StateMaine
Coordinates44.00714, -69.89538
Functional classRural Major 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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
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 adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating34 US tons
Inventory rating27.4 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length156 ft (47.5 m)
Longest span150 ft (45.7 m)
Deck width26 ft (7.9 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deck15 ft (4.6 m)

Traffic and service

Average daily traffic1,732 (2016)
Projected traffic2,598 by 2036
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
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—
NavigationNavigation control on waterway (bridge permit required)

Frequently asked questions

When was Bay RD over Cathance River built?

It was built in 1953, making it 72 years old in 2025.

What condition is Bay RD over Cathance 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 December 2024.

How much traffic does Bay RD over Cathance River carry?

About 1,732 vehicles per day (2016 count), of which roughly 5% are trucks.

How long is Bay RD over Cathance River?

The structure is 156 ft (47.5 m) long with a longest span of 150 ft (45.7 m) and a deck 26 ft wide.

Who owns Bay RD over Cathance River?

It is owned by the State Highway Agency.