US Bridges

Pond RD over Cobbossee Stream

Fair

Kennebec County, Maine · 1 MI N Townline · Structure no. 5708

Built
1958
67 years old
Condition
Fair
inspected May 2024
Type
Slab
Concrete
Length
102 ft
4 main spans
Daily traffic
2,066
2016 count
Owner
State
State Highway Agency

About this bridge

Pond RD over Cobbossee Stream is a concrete slab carrying Pond RD over Cobbossee Stream in Kennebec County, Maine. It was built in 1958, so it is 67 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 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 2,066 vehicles a day, roughly 5% of them trucks, projected to reach 2,892 by 2036. The structure is 102 ft (31.1 m) long and 34 ft wide. If it were closed, the detour would be 16.8 mi (27 km).

CarriesPond RD
CrossesCobbossee Stream
Location1 MI N Townline
RouteCounty Highway 0
StateMaine
Coordinates44.28001, -69.88981
Functional classRural Minor 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating82.5 US tons
Inventory rating63.6 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans4
Design loadH 20
Structure length102 ft (31.1 m)
Longest span25 ft (7.6 m)
Deck width34 ft (10.4 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,066 (2016)
Projected traffic2,892 by 2036
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed16.8 mi (27 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Pond RD over Cobbossee Stream built?

It was built in 1958, making it 67 years old in 2025.

What condition is Pond RD over Cobbossee Stream 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 May 2024.

How much traffic does Pond RD over Cobbossee Stream carry?

About 2,066 vehicles per day (2016 count), of which roughly 5% are trucks.

How long is Pond RD over Cobbossee Stream?

The structure is 102 ft (31.1 m) long with a longest span of 25 ft (7.6 m) and a deck 34 ft wide.

Who owns Pond RD over Cobbossee Stream?

It is owned by the State Highway Agency.