US Bridges

Downing RD over Kennebunk River

Poor

York County, Maine · 0.7 MI NE JCT RTE 35 · Structure no. 5939

Built
1988
37 years old
Condition
Poor
inspected August 2023
Type
Culvert
Steel
Length
22 ft
1 main span
Daily traffic
1,810
2016 count
Owner
State
State Highway Agency

About this bridge

Downing RD over Kennebunk River is a steel culvert carrying Downing RD over Kennebunk River in York County, Maine. It was built in 1988, so it is 37 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.

It carries about 1,810 vehicles a day, roughly 5% of them trucks, projected to reach 2,715 by 2036. The structure is 22 ft (6.7 m) long. If it were closed, the detour would be 6.2 mi (10 km).

CarriesDowning RD
CrossesKennebunk River
Location0.7 MI NE JCT RTE 35
RouteCity Street 0
StateMaine
Coordinates43.43209, -70.55331
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
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating54.7 US tons
Inventory rating42.1 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans1
Design loadHS 25 or greater
Structure length22 ft (6.7 m)
Longest span22 ft (6.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,810 (2016)
Projected traffic2,715 by 2036
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 Downing RD over Kennebunk River built?

It was built in 1988, making it 37 years old in 2025.

What condition is Downing RD over Kennebunk 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 August 2023.

How much traffic does Downing RD over Kennebunk River carry?

About 1,810 vehicles per day (2016 count), of which roughly 5% are trucks.

How long is Downing RD over Kennebunk River?

The structure is 22 ft (6.7 m) long with a longest span of 22 ft (6.7 m).

Who owns Downing RD over Kennebunk River?

It is owned by the State Highway Agency.