US Bridges

Bassett RD over Mile Brook

Poor

Kennebec County, Maine · 0.4 MI S Rt 137 · Structure no. 0511

Built
1911
114 years old, rebuilt 1981
Condition
Poor
inspected July 2024
Type
Arch - Deck
Concrete
Length
91 ft
1 main span
Daily traffic
622
2016 count
Owner
State
State Highway Agency

About this bridge

Bassett RD over Mile Brook is a concrete arch - deck carrying Bassett RD over Mile Brook in Kennebec County, Maine. It was built in 1911 and reconstructed in 1981, so it is 114 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 622 vehicles a day, roughly 5% of them trucks, projected to reach 995 by 2036. The structure is 91 ft (27.7 m) long and 27 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesBassett RD
CrossesMile Brook
Location0.4 MI S Rt 137
RouteCity Street 0
CountyKennebec County
StateMaine
Coordinates44.52066, -69.61721
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
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating105.1 US tons
Inventory rating81 US tons

Structure

Structure typeArch - Deck
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length91 ft (27.7 m)
Longest span40 ft (12.2 m)
Deck width27 ft (8.3 m)
Roadway width27 ft (8.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic622 (2016)
Projected traffic995 by 2036
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 Bassett RD over Mile Brook built?

It was built in 1911, making it 114 years old in 2025. It was reconstructed in 1981.

What condition is Bassett RD over Mile Brook 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 Bassett RD over Mile Brook carry?

About 622 vehicles per day (2016 count), of which roughly 5% are trucks.

How long is Bassett RD over Mile Brook?

The structure is 91 ft (27.7 m) long with a longest span of 40 ft (12.2 m) and a deck 27 ft wide.

Who owns Bassett RD over Mile Brook?

It is owned by the State Highway Agency.