US Bridges

Roxbury RD over Walker Brook

Fair

Oxford County, Maine · 3.4 MI Nly of Mexico · Structure no. 3205

Built
1928
97 years old
Condition
Fair
inspected December 2023
Type
Slab
Concrete
Length
33 ft
2 main spans
Daily traffic
774
2016 count
Owner
State
State Highway Agency

About this bridge

Roxbury RD over Walker Brook is a concrete slab carrying Roxbury RD over Walker Brook in Oxford County, Maine. It was built in 1928, so it is 97 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 774 vehicles a day, roughly 5% of them trucks, projected to reach 1,238 by 2036. The structure is 33 ft (10.2 m) long and 27 ft wide. If it were closed, the detour would be 36 mi (58 km).

Location

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CarriesRoxbury RD
CrossesWalker Brook
Location3.4 MI Nly of Mexico
RouteState Highway 17
CountyOxford County
StateMaine
Coordinates44.65631, -70.58714
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating57.1 US tons
Inventory rating44 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length33 ft (10.2 m)
Longest span14 ft (4.3 m)
Deck width27 ft (8.3 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic774 (2016)
Projected traffic1,238 by 2036
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed36 mi (58 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 RD over Walker Brook built?

It was built in 1928, making it 97 years old in 2025.

What condition is Roxbury RD over Walker 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 2023.

How much traffic does Roxbury RD over Walker Brook carry?

About 774 vehicles per day (2016 count), of which roughly 5% are trucks.

How long is Roxbury RD over Walker Brook?

The structure is 33 ft (10.2 m) long with a longest span of 14 ft (4.3 m) and a deck 27 ft wide.

Who owns Roxbury RD over Walker Brook?

It is owned by the State Highway Agency.