US Bridges

Griffiths Head RD over Tidal

FairPosted for load

Sagadahoc County, Maine · 2.2 Mt S RTE 127 · Structure no. 0993

Built
1950
75 years old, rebuilt 2023
Condition
Fair
inspected July 2023
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
86 ft
3 main spans
Daily traffic
388
2016 count
Owner
State
Other State Agency

About this bridge

Griffiths Head RD over Tidal is a wood or timber stringer/multi-beam or girder carrying Griffiths Head RD over Tidal in Sagadahoc County, Maine. It was built in 1950 and reconstructed in 2023, so it is 75 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. Its operating status is: posted for load restriction.

It carries about 388 vehicles a day, roughly 5% of them trucks, projected to reach 621 by 2036. The structure is 86 ft (26.2 m) long and 23 ft wide. If it were closed, the detour would be 100 mi (161 km).

Location

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CarriesGriffiths Head RD
CrossesTidal
Location2.2 Mt S RTE 127
RouteFederal Lands Road 0
CountySagadahoc County
StateMaine
Coordinates43.78472, -69.72287
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
Deck9 ExcellentNo problems noted.
Superstructure9 ExcellentNo problems noted.
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 inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating29.7 US tons
Inventory rating22.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialWood or Timber
DeckWood or timber
Main spans3
Design loadOther
Structure length86 ft (26.2 m)
Longest span29 ft (8.8 m)
Deck width23 ft (7.1 m)
Roadway width17 ft (5.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic388 (2016)
Projected traffic621 by 2036
Trucks5%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed100 mi (161 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerOther State Agency
Maintained byOther State 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 Griffiths Head RD over Tidal built?

It was built in 1950, making it 75 years old in 2025. It was reconstructed in 2023.

What condition is Griffiths Head RD over Tidal 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 July 2023.

How much traffic does Griffiths Head RD over Tidal carry?

About 388 vehicles per day (2016 count), of which roughly 5% are trucks.

How long is Griffiths Head RD over Tidal?

The structure is 86 ft (26.2 m) long with a longest span of 29 ft (8.8 m) and a deck 23 ft wide.

Who owns Griffiths Head RD over Tidal?

It is owned by the Other State Agency.