US Bridges

Camden RD over ST George River

Fair

Knox County, Maine · 0.5 MI SE of NE JCT 131 · Structure no. 5529

Built
1953
72 years old
Condition
Fair
inspected December 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
60 ft
1 main span
Daily traffic
720
2016 count
Owner
State
State Highway Agency

About this bridge

Camden RD over ST George River is a steel stringer/multi-beam or girder carrying Camden RD over ST George River in Knox County, Maine. It was built in 1953, so it is 72 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 720 vehicles a day, roughly 5% of them trucks, projected to reach 1,152 by 2036. The structure is 60 ft (18.2 m) long and 30 ft wide. If it were closed, the detour would be 18 mi (29 km).

Location

Open in Google Maps
CarriesCamden RD
CrossesST George River
Location0.5 MI SE of NE JCT 131
RouteCounty Highway 105
CountyKnox County
StateMaine
Coordinates44.30763, -69.21519
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 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 adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44.6 US tons
Inventory rating34.3 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length60 ft (18.2 m)
Longest span55 ft (16.8 m)
Deck width30 ft (9.1 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic720 (2016)
Projected traffic1,152 by 2036
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed18 mi (29 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 Camden RD over ST George River built?

It was built in 1953, making it 72 years old in 2025.

What condition is Camden 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 December 2023.

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

About 720 vehicles per day (2016 count), of which roughly 5% are trucks.

How long is Camden RD over ST George River?

The structure is 60 ft (18.2 m) long with a longest span of 55 ft (16.8 m) and a deck 30 ft wide.

Who owns Camden RD over ST George River?

It is owned by the State Highway Agency.