US Bridges

New Gloucester RD over Royal River

Fair

Cumberland County, Maine · 1.7 MI N JCT 115 · Structure no. 5048

Built
1926
99 years old
Condition
Fair
inspected July 2024
Type
Tee Beam
Concrete
Length
49 ft
1 main span
Daily traffic
1,280
2016 count
Owner
State
State Highway Agency

About this bridge

New Gloucester RD over Royal River is a concrete tee beam carrying New Gloucester RD over Royal River in Cumberland County, Maine. It was built in 1926, so it is 99 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 1,280 vehicles a day, roughly 5% of them trucks, projected to reach 1,920 by 2036. The structure is 49 ft (14.9 m) long and 23 ft wide. If it were closed, the detour would be 19.9 mi (32 km).

Location

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CarriesNew Gloucester RD
CrossesRoyal River
Location1.7 MI N JCT 115
RouteCounty Highway 231
CountyCumberland County
StateMaine
Coordinates43.86475, -70.24011
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no 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 rating49.3 US tons
Inventory rating29.7 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 15
Structure length49 ft (14.9 m)
Longest span45 ft (13.7 m)
Deck width23 ft (7 m)
Roadway width21 ft (6.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,280 (2016)
Projected traffic1,920 by 2036
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed19.9 mi (32 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 New Gloucester RD over Royal River built?

It was built in 1926, making it 99 years old in 2025.

What condition is New Gloucester 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 2024.

How much traffic does New Gloucester RD over Royal River carry?

About 1,280 vehicles per day (2016 count), of which roughly 5% are trucks.

How long is New Gloucester RD over Royal River?

The structure is 49 ft (14.9 m) long with a longest span of 45 ft (13.7 m) and a deck 23 ft wide.

Who owns New Gloucester RD over Royal River?

It is owned by the State Highway Agency.