US Bridges

Station RD over Mill Stream

Poor

Washington County, Maine · 4.7 MI NE RTE 1 · Structure no. 3622

Built
1948
77 years old
Condition
Poor
inspected July 2024
Type
Culvert
Concrete
Length
26 ft
1 main span
Daily traffic
84
2016 count
Owner
County
County Highway Agency

About this bridge

Station RD over Mill Stream is a concrete culvert carrying Station RD over Mill Stream in Washington County, Maine. It was built in 1948, so it is 77 years old, older than the Maine average of 53.7 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 84 vehicles a day, roughly 5% of them trucks, projected to reach 134 by 2036. The structure is 26 ft (8 m) long.

CarriesStation RD
CrossesMill Stream
Location4.7 MI NE RTE 1
RouteCity Street 0
StateMaine
Coordinates44.70456, -67.67976
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating69.7 US tons
Inventory rating53.9 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadH 15
Structure length26 ft (8 m)
Longest span23 ft (7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic84 (2016)
Projected traffic134 by 2036
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 Station RD over Mill Stream built?

It was built in 1948, making it 77 years old in 2025.

What condition is Station RD over Mill Stream in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in July 2024.

How much traffic does Station RD over Mill Stream carry?

About 84 vehicles per day (2016 count), of which roughly 5% are trucks.

How long is Station RD over Mill Stream?

The structure is 26 ft (8 m) long with a longest span of 23 ft (7 m).

Who owns Station RD over Mill Stream?

It is owned by the County Highway Agency.