US Bridges

River RD over Carrabassett Stream

Poor

Kennebec County, Maine · 0.2 MI N of JCT RTE 23 · Structure no. 2508

Built
1930
95 years old
Condition
Poor
inspected September 2024
Type
Slab
Concrete
Length
54 ft
3 main spans
Daily traffic
1,331
2016 count
Owner
State
State Highway Agency

About this bridge

River RD over Carrabassett Stream is a concrete slab carrying River RD over Carrabassett Stream in Kennebec County, Maine. It was built in 1930, so it is 95 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 1,331 vehicles a day, roughly 5% of them trucks, projected to reach 1,997 by 2036. The structure is 54 ft (16.5 m) long and 23 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

Location

Open in Google Maps
CarriesRiver RD
CrossesCarrabassett Stream
Location0.2 MI N of JCT RTE 23
RouteCity Street 0
CountyKennebec County
StateMaine
Coordinates44.68992, -69.62919
Functional classRural Local

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
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
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
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating65 US tons
Inventory rating50 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length54 ft (16.5 m)
Longest span15 ft (4.6 m)
Deck width23 ft (7 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,331 (2016)
Projected traffic1,997 by 2036
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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 Carrabassett Stream built?

It was built in 1930, making it 95 years old in 2025.

What condition is River RD over Carrabassett Stream 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 Carrabassett Stream carry?

About 1,331 vehicles per day (2016 count), of which roughly 5% are trucks.

How long is River RD over Carrabassett Stream?

The structure is 54 ft (16.5 m) long with a longest span of 15 ft (4.6 m) and a deck 23 ft wide.

Who owns River RD over Carrabassett Stream?

It is owned by the State Highway Agency.