US Bridges

North RD over Chapman Brook

Poor

Oxford County, Maine · .6 MI W Bethel Town Line · Structure no. 3509

Built
1937
88 years old
Condition
Poor
inspected December 2024
Type
Slab
Concrete
Length
24 ft
1 main span
Daily traffic
93
2016 count
Owner
State
State Highway Agency

About this bridge

North RD over Chapman Brook is a concrete slab carrying North RD over Chapman Brook in Oxford County, Maine. It was built in 1937, so it is 88 years old, older 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.

It carries about 93 vehicles a day, roughly 5% of them trucks, projected to reach 149 by 2036. The structure is 24 ft (7.4 m) long and 25 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesNorth RD
CrossesChapman Brook
Location.6 MI W Bethel Town Line
RouteCity Street 0
StateMaine
Coordinates44.41076, -70.89471
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
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
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 rating57.9 US tons
Inventory rating44.6 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length24 ft (7.4 m)
Longest span20 ft (6.1 m)
Deck width25 ft (7.7 m)
Roadway width22 ft (6.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic93 (2016)
Projected traffic149 by 2036
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 North RD over Chapman Brook built?

It was built in 1937, making it 88 years old in 2025.

What condition is North RD over Chapman Brook 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 December 2024.

How much traffic does North RD over Chapman Brook carry?

About 93 vehicles per day (2016 count), of which roughly 5% are trucks.

How long is North RD over Chapman Brook?

The structure is 24 ft (7.4 m) long with a longest span of 20 ft (6.1 m) and a deck 25 ft wide.

Who owns North RD over Chapman Brook?

It is owned by the State Highway Agency.