US Bridges

Common RD over ST George River

Fair

Knox County, Maine · 0.4 MI SE of Rtes 17&131 · Structure no. 2069

Built
1936
89 years old, rebuilt 1996
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
127 ft
2 main spans
Daily traffic
1,570
2016 count
Owner
State
State Highway Agency

About this bridge

Common RD over ST George River is a steel stringer/multi-beam or girder carrying Common RD over ST George River in Knox County, Maine. It was built in 1936 and reconstructed in 1996, so it is 89 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 1,570 vehicles a day, roughly 5% of them trucks, projected to reach 2,355 by 2036. The structure is 127 ft (38.6 m) long and 33 ft wide.

CarriesCommon RD
CrossesST George River
Location0.4 MI SE of Rtes 17&131
RouteCounty Highway 0
StateMaine
Coordinates44.21311, -69.27817
Functional classRural Minor 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating50.7 US tons
Inventory rating39.2 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length127 ft (38.6 m)
Longest span60 ft (18.3 m)
Deck width33 ft (10 m)
Roadway width30 ft (9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,570 (2016)
Projected traffic2,355 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 Common RD over ST George River built?

It was built in 1936, making it 89 years old in 2025. It was reconstructed in 1996.

What condition is Common RD 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 October 2024.

How much traffic does Common RD over ST George River carry?

About 1,570 vehicles per day (2016 count), of which roughly 5% are trucks.

How long is Common RD over ST George River?

The structure is 127 ft (38.6 m) long with a longest span of 60 ft (18.3 m) and a deck 33 ft wide.

Who owns Common RD over ST George River?

It is owned by the State Highway Agency.