US Bridges

Depot RD over Royal River

Fair

Cumberland County, Maine · 1.0 MI W New Gloucester · Structure no. 5781

Built
1963
62 years old, rebuilt 2011
Condition
Fair
inspected July 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
88 ft
1 main span
Daily traffic
2,422
2016 count
Owner
State
State Highway Agency

About this bridge

Depot RD over Royal River is a steel stringer/multi-beam or girder carrying Depot RD over Royal River in Cumberland County, Maine. It was built in 1963 and reconstructed in 2011, so it is 62 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 2,422 vehicles a day, roughly 5% of them trucks, projected to reach 3,391 by 2036. The structure is 88 ft (26.7 m) long and 33 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesDepot RD
CrossesRoyal River
Location1.0 MI W New Gloucester
RouteCounty Highway 0
StateMaine
Coordinates43.89093, -70.27722
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating69.7 US tons
Inventory rating53.6 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadGreater than HL 93
Structure length88 ft (26.7 m)
Longest span85 ft (25.9 m)
Deck width33 ft (10.1 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,422 (2016)
Projected traffic3,391 by 2036
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Depot RD over Royal River built?

It was built in 1963, making it 62 years old in 2025. It was reconstructed in 2011.

What condition is Depot RD over Royal 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 Depot RD over Royal River carry?

About 2,422 vehicles per day (2016 count), of which roughly 5% are trucks.

How long is Depot RD over Royal River?

The structure is 88 ft (26.7 m) long with a longest span of 85 ft (25.9 m) and a deck 33 ft wide.

Who owns Depot RD over Royal River?

It is owned by the State Highway Agency.