US Bridges

Roxbury Pond RD over Black Brook

Fair

Oxford County, Maine · 1 MI W Tl · Structure no. 3337

Built
1936
89 years old
Condition
Fair
inspected August 2024
Type
Tee Beam
Concrete
Length
29 ft
1 main span
Daily traffic
702
2016 count
Owner
State
State Highway Agency

About this bridge

Roxbury Pond RD over Black Brook is a concrete tee beam carrying Roxbury Pond RD over Black Brook in Oxford County, Maine. It was built in 1936, so it is 89 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 702 vehicles a day, roughly 5% of them trucks, projected to reach 1,123 by 2036. The structure is 29 ft (8.9 m) long and 29 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

Location

Open in Google Maps
CarriesRoxbury Pond RD
CrossesBlack Brook
Location1 MI W Tl
RouteCounty Highway 120
CountyOxford County
StateMaine
Coordinates44.64227, -70.71062
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 inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.1 US tons
Inventory rating35.4 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length29 ft (8.9 m)
Longest span26 ft (7.9 m)
Deck width29 ft (8.7 m)
Roadway width26 ft (8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic702 (2016)
Projected traffic1,123 by 2036
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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 Roxbury Pond RD over Black Brook built?

It was built in 1936, making it 89 years old in 2025.

What condition is Roxbury Pond RD over Black 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 August 2024.

How much traffic does Roxbury Pond RD over Black Brook carry?

About 702 vehicles per day (2016 count), of which roughly 5% are trucks.

How long is Roxbury Pond RD over Black Brook?

The structure is 29 ft (8.9 m) long with a longest span of 26 ft (7.9 m) and a deck 29 ft wide.

Who owns Roxbury Pond RD over Black Brook?

It is owned by the State Highway Agency.