US Bridges

Cushman RD over Mile Brook

Fair

Kennebec County, Maine · 0.3 MI N of Vassalboro · Structure no. 3710

Built
1940
85 years old
Condition
Fair
inspected September 2023
Type
Culvert
Concrete
Length
29 ft
1 main span
Daily traffic
4,239
2016 count
Owner
State
State Highway Agency

About this bridge

Cushman RD over Mile Brook is a concrete culvert carrying Cushman RD over Mile Brook in Kennebec County, Maine. It was built in 1940, so it is 85 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 6 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 4,239 vehicles a day, roughly 5% of them trucks, projected to reach 5,935 by 2036. The structure is 29 ft (8.9 m) long. If it were closed, the detour would be 5 mi (8 km).

Location

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CarriesCushman RD
CrossesMile Brook
Location0.3 MI N of Vassalboro
RouteCounty Highway 32
CountyKennebec County
StateMaine
Coordinates44.49533, -69.62992
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
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating73.2 US tons
Inventory rating56.4 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadH 15
Structure length29 ft (8.9 m)
Longest span26 ft (7.9 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,239 (2016)
Projected traffic5,935 by 2036
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 Cushman RD over Mile Brook built?

It was built in 1940, making it 85 years old in 2025.

What condition is Cushman RD over Mile 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 September 2023.

How much traffic does Cushman RD over Mile Brook carry?

About 4,239 vehicles per day (2016 count), of which roughly 5% are trucks.

How long is Cushman RD over Mile Brook?

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

Who owns Cushman RD over Mile Brook?

It is owned by the State Highway Agency.