US Bridges

Walkers Mill RD over Alder Stream (river)

Fair

Oxford County, Maine · 0.7 MI E of JCT RTE US 2 · Structure no. 2013

Built
1971
54 years old
Condition
Fair
inspected July 2024
Type
Culvert
Concrete
Length
31 ft
1 main span
Daily traffic
6,708
2016 count
Owner
State
State Highway Agency

About this bridge

Walkers Mill RD over Alder Stream (river) is a concrete culvert carrying Walkers Mill RD over Alder Stream (river) in Oxford County, Maine. It was built in 1971, so it is 54 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 6,708 vehicles a day, roughly 5% of them trucks, projected to reach 9,391 by 2036. The structure is 31 ft (9.6 m) long. If it were closed, the detour would be 100 mi (161 km).

CarriesWalkers Mill RD
CrossesAlder Stream (river)
Location0.7 MI E of JCT RTE US 2
RouteState Highway 26
StateMaine
Coordinates44.41497, -70.78524
Functional classRural Principal Arterial - Other

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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJuly 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 adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating55.7 US tons
Inventory rating42.9 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20
Structure length31 ft (9.6 m)
Longest span28 ft (8.5 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,708 (2016)
Projected traffic9,391 by 2036
Trucks5%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed100 mi (161 km)
TollOn a free road
National Highway SystemYes

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 Walkers Mill RD over Alder Stream (river) built?

It was built in 1971, making it 54 years old in 2025.

What condition is Walkers Mill RD over Alder Stream (river) 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 July 2024.

How much traffic does Walkers Mill RD over Alder Stream (river) carry?

About 6,708 vehicles per day (2016 count), of which roughly 5% are trucks.

How long is Walkers Mill RD over Alder Stream (river)?

The structure is 31 ft (9.6 m) long with a longest span of 28 ft (8.5 m).

Who owns Walkers Mill RD over Alder Stream (river)?

It is owned by the State Highway Agency.