US Bridges

Lambert Hill RD over Valley Brook

Fair

Franklin County, Maine · .1 MI N JCT 145 · Structure no. 3904

Built
1946
79 years old
Condition
Fair
inspected May 2024
Type
Frame
Concrete
Length
52 ft
1 main span
Daily traffic
1,049
2016 count
Owner
State
State Highway Agency

About this bridge

Lambert Hill RD over Valley Brook is a concrete frame carrying Lambert Hill RD over Valley Brook in Franklin County, Maine. It was built in 1946, so it is 79 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 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 1,049 vehicles a day, roughly 5% of them trucks, projected to reach 1,574 by 2036. The structure is 52 ft (15.8 m) long and 29 ft wide.

Location

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CarriesLambert Hill RD
CrossesValley Brook
Location.1 MI N JCT 145
RouteCounty Highway 149
CountyFranklin County
StateMaine
Coordinates44.80873, -70.22132
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2024
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
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating27.4 US tons
Inventory rating21.1 US tons

Structure

Structure typeFrame
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length52 ft (15.8 m)
Longest span46 ft (14 m)
Deck width29 ft (8.8 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,049 (2016)
Projected traffic1,574 by 2036
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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 Lambert Hill RD over Valley Brook built?

It was built in 1946, making it 79 years old in 2025.

What condition is Lambert Hill RD over Valley 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 May 2024.

How much traffic does Lambert Hill RD over Valley Brook carry?

About 1,049 vehicles per day (2016 count), of which roughly 5% are trucks.

How long is Lambert Hill RD over Valley Brook?

The structure is 52 ft (15.8 m) long with a longest span of 46 ft (14 m) and a deck 29 ft wide.

Who owns Lambert Hill RD over Valley Brook?

It is owned by the State Highway Agency.