US Bridges

Grover Bridge RD over Webb River

PoorPosted for load

Franklin County, Maine · .2 MI W RTE 142 · Structure no. 6137

Built
1980
45 years old
Condition
Poor
inspected November 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
76 ft
1 main span
Daily traffic
129
2016 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Grover Bridge RD over Webb River is a steel stringer/multi-beam or girder carrying Grover Bridge RD over Webb River in Franklin County, Maine. It was built in 1980, so it is 45 years old, younger than the Maine average of 53.7 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 129 vehicles a day, roughly 5% of them trucks, projected to reach 206 by 2036. The structure is 76 ft (23.1 m) long and 16 ft wide. If it were closed, the detour would be 100 mi (161 km).

CarriesGrover Bridge RD
CrossesWebb River
Location.2 MI W RTE 142
RouteCity Street 0
StateMaine
Coordinates44.62348, -70.47908
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

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.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating22.5 US tons
Inventory rating17.2 US tons

Structure

MaterialSteel
DeckWood or timber
Main spans1
Design loadHS 20
Structure length76 ft (23.1 m)
Longest span71 ft (21.5 m)
Deck width16 ft (5 m)
Roadway width16 ft (4.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic129 (2016)
Projected traffic206 by 2036
Trucks5%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed100 mi (161 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerTown or Township Highway Agency
Maintained byTown or Township 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 Grover Bridge RD over Webb River built?

It was built in 1980, making it 45 years old in 2025.

What condition is Grover Bridge RD over Webb River in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in November 2023.

How much traffic does Grover Bridge RD over Webb River carry?

About 129 vehicles per day (2016 count), of which roughly 5% are trucks.

How long is Grover Bridge RD over Webb River?

The structure is 76 ft (23.1 m) long with a longest span of 71 ft (21.5 m) and a deck 16 ft wide.

Who owns Grover Bridge RD over Webb River?

It is owned by the Town or Township Highway Agency.