US Bridges

Carter Memorial DR over Kennebec R H2O ST & RR

Fair

Kennebec County, Maine · 0.2 MI Wly of RTE 201 · Structure no. 1141

Built
1997
28 years old
Condition
Fair
inspected August 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
2,028 ft
13 main spans
Daily traffic
11,790
2016 count
Owner
State
State Highway Agency

About this bridge

Carter Memorial DR over Kennebec R H2O ST & RR is a steel continuous stringer/multi-beam or girder carrying Carter Memorial DR over Kennebec R H2O ST & RR in Kennebec County, Maine. It was built in 1997, so it is 28 years old, younger 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 6 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 11,790 vehicles a day, roughly 5% of them trucks, projected to reach 16,506 by 2036. The structure is 2,028 ft (618.1 m) long and 51 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesCarter Memorial DR
CrossesKennebec R H2O ST & RR
Location0.2 MI Wly of RTE 201
RouteState Highway 137
StateMaine
Coordinates44.53072, -69.64658
Functional classUrban Minor Arterial

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating48.6 US tons
Inventory rating37.5 US tons

Structure

MaterialSteel Continuous
DeckConcrete, precast panels
Main spans13
Design loadHS 25 or greater
Structure length2,028 ft (618.1 m)
Longest span240 ft (73.2 m)
Deck width51 ft (15.4 m)
Roadway width48 ft (14.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,790 (2016)
Projected traffic16,506 by 2036
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway, waterway and railroad
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Carter Memorial DR over Kennebec R H2O ST & RR built?

It was built in 1997, making it 28 years old in 2025.

What condition is Carter Memorial DR over Kennebec R H2O ST & RR 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 August 2024.

How much traffic does Carter Memorial DR over Kennebec R H2O ST & RR carry?

About 11,790 vehicles per day (2016 count), of which roughly 5% are trucks.

How long is Carter Memorial DR over Kennebec R H2O ST & RR?

The structure is 2,028 ft (618.1 m) long with a longest span of 240 ft (73.2 m) and a deck 51 ft wide.

Who owns Carter Memorial DR over Kennebec R H2O ST & RR?

It is owned by the State Highway Agency.