US Bridges

Bog RD over Clark Brook

Fair

Somerset County, Maine · Rt 16 2.5 MI 5E Twnln · Structure no. 1072

Built
1997
28 years old
Condition
Fair
inspected December 2024
Type
Culvert
Steel
Length
29 ft
2 main spans
Daily traffic
1,557
2016 count
Owner
State
State Highway Agency

About this bridge

Bog RD over Clark Brook is a steel culvert carrying Bog RD over Clark Brook in Somerset 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 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 1,557 vehicles a day, roughly 5% of them trucks, projected to reach 2,336 by 2036. The structure is 29 ft (8.9 m) long. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesBog RD
CrossesClark Brook
LocationRt 16 2.5 MI 5E Twnln
RouteState Highway 16
CountySomerset County
StateMaine
Coordinates44.93054, -70.0577
Functional classRural 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
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert5 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 above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating106.8 US tons
Inventory rating71.1 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans2
Design loadHS 25 or greater
Structure length29 ft (8.9 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,557 (2016)
Projected traffic2,336 by 2036
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 Bog RD over Clark Brook built?

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

What condition is Bog RD over Clark Brook 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 Bog RD over Clark Brook carry?

About 1,557 vehicles per day (2016 count), of which roughly 5% are trucks.

How long is Bog RD over Clark Brook?

The structure is 29 ft (8.9 m) long with a longest span of 10 ft (3 m).

Who owns Bog RD over Clark Brook?

It is owned by the State Highway Agency.