US Bridges

Bridgton RD over Mill Brook

Good

Cumberland County, Maine · .9 MI S Townline · Structure no. 3467

Built
2011
14 years old
Condition
Good
inspected November 2024
Type
Culvert
Concrete
Length
29 ft
2 main spans
Daily traffic
13,540
2016 count
Owner
State
State Highway Agency

About this bridge

Bridgton RD over Mill Brook is a concrete culvert carrying Bridgton RD over Mill Brook in Cumberland County, Maine. It was built in 2011, so it is 14 years old, younger than the Maine average of 53.7 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 13,540 vehicles a day, roughly 5% of them trucks, projected to reach 18,956 by 2036. The structure is 29 ft (8.9 m) long. If it were closed, the detour would be 24.2 mi (39 km).

CarriesBridgton RD
CrossesMill Brook
Location.9 MI S Townline
RouteState Highway 302
StateMaine
Coordinates43.74161, -70.35316
Functional classUrban Other Principal Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59 US tons
Inventory rating45.3 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadGreater than HL 93
Structure length29 ft (8.9 m)
Longest span12 ft (3.8 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic13,540 (2016)
Projected traffic18,956 by 2036
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed24.2 mi (39 km)
TollOn a free road
National Highway SystemYes

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 Bridgton RD over Mill Brook built?

It was built in 2011, making it 14 years old in 2025.

What condition is Bridgton RD over Mill Brook in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in November 2024.

How much traffic does Bridgton RD over Mill Brook carry?

About 13,540 vehicles per day (2016 count), of which roughly 5% are trucks.

How long is Bridgton RD over Mill Brook?

The structure is 29 ft (8.9 m) long with a longest span of 12 ft (3.8 m).

Who owns Bridgton RD over Mill Brook?

It is owned by the State Highway Agency.