US Bridges

Fairgrounds LN over ST George River

Fair

Knox County, Maine · 0.1 MI W Common RD · Structure no. 6134

Built
1923
102 years old, rebuilt 2007
Condition
Fair
inspected July 2023
Type
Truss - Thru
Steel
Length
64 ft
1 main span
Daily traffic
80
2016 count
Owner
State
State Highway Agency

About this bridge

Fairgrounds LN over ST George River is a steel truss - thru carrying Fairgrounds LN over ST George River in Knox County, Maine. It was built in 1923 and reconstructed in 2007, so it is 102 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 80 vehicles a day, roughly 5% of them trucks, projected to reach 128 by 2036. The structure is 64 ft (19.4 m) long and 19 ft wide. If it were closed, the detour would be 100 mi (161 km).

CarriesFairgrounds LN
CrossesST George River
Location0.1 MI W Common RD
RouteCity Street 0
StateMaine
Coordinates44.21432, -69.28319
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
Deck8 Very GoodNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
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 adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment7: Better than present minimum criteria
Operating rating41.1 US tons
Inventory rating31.7 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckCorrugated steel
Main spans1
Design loadHS 25 or greater
Structure length64 ft (19.4 m)
Longest span60 ft (18.3 m)
Deck width19 ft (5.8 m)
Roadway width19 ft (5.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic80 (2016)
Projected traffic128 by 2036
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed100 mi (161 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 Fairgrounds LN over ST George River built?

It was built in 1923, making it 102 years old in 2025. It was reconstructed in 2007.

What condition is Fairgrounds LN over ST George River 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 Fairgrounds LN over ST George River carry?

About 80 vehicles per day (2016 count), of which roughly 5% are trucks.

How long is Fairgrounds LN over ST George River?

The structure is 64 ft (19.4 m) long with a longest span of 60 ft (18.3 m) and a deck 19 ft wide.

Who owns Fairgrounds LN over ST George River?

It is owned by the State Highway Agency.