US Bridges

Greenwood RD over Twitchel(morgan) Brook

Fair

Oxford County, Maine · 1.8 MI Nly of Route 219 · Structure no. 6140

Built
1968
57 years old
Condition
Fair
inspected August 2023
Type
Culvert
Concrete
Length
34 ft
2 main spans
Daily traffic
332
2016 count
Owner
State
State Highway Agency

About this bridge

Greenwood RD over Twitchel(morgan) Brook is a concrete culvert carrying Greenwood RD over Twitchel(morgan) Brook in Oxford County, Maine. It was built in 1968, so it is 57 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 332 vehicles a day, roughly 5% of them trucks, projected to reach 531 by 2036. The structure is 34 ft (10.3 m) long and 34 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

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CarriesGreenwood RD
CrossesTwitchel(morgan) Brook
Location1.8 MI Nly of Route 219
RouteCity Street 0
CountyOxford County
StateMaine
Coordinates44.33558, -70.67049
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59 US tons
Inventory rating45.3 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadH 20
Structure length34 ft (10.3 m)
Longest span14 ft (4.3 m)
Deck width34 ft (10.4 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic332 (2016)
Projected traffic531 by 2036
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 Greenwood RD over Twitchel(morgan) Brook built?

It was built in 1968, making it 57 years old in 2025.

What condition is Greenwood RD over Twitchel(morgan) Brook 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 August 2023.

How much traffic does Greenwood RD over Twitchel(morgan) Brook carry?

About 332 vehicles per day (2016 count), of which roughly 5% are trucks.

How long is Greenwood RD over Twitchel(morgan) Brook?

The structure is 34 ft (10.3 m) long with a longest span of 14 ft (4.3 m) and a deck 34 ft wide.

Who owns Greenwood RD over Twitchel(morgan) Brook?

It is owned by the State Highway Agency.