US Bridges

Mahoney Hill RD over Fall Brook

Fair

Somerset County, Maine · 4.7 MI SE of JCT RTE 201 · Structure no. 1018

Built
1984
41 years old
Condition
Fair
inspected November 2023
Type
Culvert
Steel
Length
34 ft
2 main spans
Daily traffic
85
2016 count
Owner
State
State Highway Agency

About this bridge

Mahoney Hill RD over Fall Brook is a steel culvert carrying Mahoney Hill RD over Fall Brook in Somerset County, Maine. It was built in 1984, so it is 41 years old, younger 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 5 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 85 vehicles a day, roughly 5% of them trucks, projected to reach 136 by 2036. The structure is 34 ft (10.4 m) long. If it were closed, the detour would be 13 mi (21 km).

Location

Open in Google Maps
CarriesMahoney Hill RD
CrossesFall Brook
Location4.7 MI SE of JCT RTE 201
RouteCity Street 0
CountySomerset County
StateMaine
Coordinates45.02005, -69.77865
Functional classRural Local

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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating51.5 US tons
Inventory rating39.7 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans2
Design loadUnknown
Structure length34 ft (10.4 m)
Longest span15 ft (4.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic85 (2016)
Projected traffic136 by 2036
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed13 mi (21 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 Mahoney Hill RD over Fall Brook built?

It was built in 1984, making it 41 years old in 2025.

What condition is Mahoney Hill RD over Fall 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 November 2023.

How much traffic does Mahoney Hill RD over Fall Brook carry?

About 85 vehicles per day (2016 count), of which roughly 5% are trucks.

How long is Mahoney Hill RD over Fall Brook?

The structure is 34 ft (10.4 m) long with a longest span of 15 ft (4.7 m).

Who owns Mahoney Hill RD over Fall Brook?

It is owned by the State Highway Agency.