US Bridges

River RD over Gilbert Bk

Good

Somerset County, Maine · 1.2 MI N Madison Tl · Structure no. 3726

Built
2022
3 years old
Condition
Good
inspected July 2024
Type
Tee Beam
Concrete
Length
43 ft
1 main span
Daily traffic
4,062
2016 count
Owner
State
State Highway Agency

About this bridge

River RD over Gilbert Bk is a concrete tee beam carrying River RD over Gilbert Bk in Somerset County, Maine. It was built in 2022, so it is 3 years old, younger than the Maine average of 53.7 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 4,062 vehicles a day, roughly 5% of them trucks, projected to reach 5,687 by 2036. The structure is 43 ft (13.1 m) long and 38 ft wide. If it were closed, the detour would be 64 mi (103 km).

CarriesRiver RD
CrossesGilbert Bk
Location1.2 MI N Madison Tl
RouteState Highway 201
StateMaine
Coordinates44.81317, -69.89239
Functional classRural Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable 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 rating59.3 US tons
Inventory rating45.7 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans1
Design loadGreater than HL 93
Structure length43 ft (13.1 m)
Longest span37 ft (11.3 m)
Deck width38 ft (11.6 m)
Roadway width34 ft (10.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,062 (2016)
Projected traffic5,687 by 2036
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed64 mi (103 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 River RD over Gilbert Bk built?

It was built in 2022, making it 3 years old in 2025.

What condition is River RD over Gilbert Bk in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in July 2024.

How much traffic does River RD over Gilbert Bk carry?

About 4,062 vehicles per day (2016 count), of which roughly 5% are trucks.

How long is River RD over Gilbert Bk?

The structure is 43 ft (13.1 m) long with a longest span of 37 ft (11.3 m) and a deck 38 ft wide.

Who owns River RD over Gilbert Bk?

It is owned by the State Highway Agency.