US Bridges

I 95 SB over 12 Mile Brook

Fair

Kennebec County, Maine · 2.3 MI NE of Benton · Structure no. 1452

Built
1964
61 years old
Condition
Fair
inspected September 2023
Type
Culvert
Concrete
Length
26 ft
1 main span
Daily traffic
9,250
2016 count
Owner
State
State Highway Agency

About this bridge

I 95 SB over 12 Mile Brook is a concrete culvert carrying I 95 SB over 12 Mile Brook in Kennebec County, Maine. It was built in 1964, so it is 61 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 9,250 vehicles a day, roughly 5% of them trucks, projected to reach 12,950 by 2036. The structure is 26 ft (7.9 m) long. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesI 95 SB
Crosses12 Mile Brook
Location2.3 MI NE of Benton
RouteState Highway 95
CountyKennebec County
StateMaine
Coordinates44.65344, -69.51131
Functional classRural Principal Arterial - Interstate

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 alignment8: Equal to present desirable criteria
Operating rating46.7 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20 + Mod
Structure length26 ft (7.9 m)
Longest span22 ft (6.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,250 (2016)
Projected traffic12,950 by 2036
Trucks5%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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 I 95 SB over 12 Mile Brook built?

It was built in 1964, making it 61 years old in 2025.

What condition is I 95 SB over 12 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 I 95 SB over 12 Mile Brook carry?

About 9,250 vehicles per day (2016 count), of which roughly 5% are trucks.

How long is I 95 SB over 12 Mile Brook?

The structure is 26 ft (7.9 m) long with a longest span of 22 ft (6.7 m).

Who owns I 95 SB over 12 Mile Brook?

It is owned by the State Highway Agency.